Alternatives to OpenWrt

Golioth IoT cloud platform is the leading IoT development platform that enables modern engineering teams to quickly prototype and manage fleets of IoT devices. We put hardware at the center of your CI/CD process. With a unified API and device firmware SDK, plus a strong IoT ecosystem Golioth helps engineers easily build, integrate, and manage IoT solutions–without the stress. The only IoT cloud solution built for your entire team: from your hardware engineers to firmware developers, from cloud to data teams.

VxWorks®, a leading real-time operating platform in the industry, provides all the performance, reliability, safety and security capabilities you need for the most critical infrastructure's embedded computing systems. VxWorks is a preemptive, deterministic RTOS that prioritizes real-time embedded applications. It has low latency and minimaljitter. VxWorks has many security features that address the evolving security threats connected devices face at every stage, from boot-up to operation to data transfer to powered off. VxWorks has been certified to IEC 61508, ISO 26262, and DO-178C safety standards. VxWorks is built on an extensible, future-proof architecture that allows you to quickly respond to changing market demands, customer needs, technological advancements, and preserves your investment.

Traditional packet filters are gradually becoming outdated, as even open-source solutions are shifting towards Next-Generation Firewalls. OPNsense stands out as a leading option for features like intrusion detection, application control, web filtering, and antivirus protection. No network, regardless of its size, is immune to potential attacks; even devices in home networks, such as washing machines and smartwatches, are at risk and need robust security measures. Firewalls play a crucial role in a comprehensive security strategy, shielding systems from both established and emerging threats. The effectiveness of a firewall is maximized when its capabilities are well understood, it operates intuitively, and is strategically placed within the network infrastructure. OPNsense rises to the occasion by fulfilling these essential requirements in various ways. This book serves as an invaluable guide for anyone looking to comprehend, install, and configure an OPNsense firewall effectively. Ultimately, understanding the intricacies of OPNsense can empower users to create a more secure digital environment.

The pfSense project provides a free network firewall distribution. It is based on FreeBSD's operating system with a custom kernel. Third-party free software packages are also included. The package system allows pfSense software to offer the same functionality as or more common commercial firewalls without any artificial limitations. It has replaced every major commercial firewall in many installations around the globe, including Check Point and Cisco PIX, Cisco ASA and Juniper.

LynxOS has been utilized in countless embedded devices, demonstrating dependable performance for over three decades in various safety and security-sensitive markets. This operating system offers a proven method for running applications within a Unix-like environment, where a unified kernel manages all resources and application services, making it particularly effective for hardware designs that were developed before the advent of virtualization. We aim to ensure our customers purchase only what is necessary for their specific needs. While real-time operating systems (RTOS) can deliver significant advantages, they are not essential for every embedded system configuration. For a more extensive overview of our resources related to RTOS, we invite you to explore our Embedded Systems Learning Center, which provides valuable information to assist you in making informed software purchasing choices as you design or enhance your system and evaluate potential real-time platform vendors. Moreover, this center is a great resource to help you understand the trade-offs and benefits associated with various embedded system approaches.

Ranging from basic embedded environmental sensors and LED wearables to advanced embedded controllers, smartwatches, and IoT wireless applications, this system incorporates configurable architecture-specific stack-overflow protection, kernel object and device driver permission tracking, and thread isolation enhanced by thread-level memory protection across x86, ARC, and ARM architectures, as well as userspace and memory domains. For systems lacking MMU/MPU and those limited by memory capacity, it enables the integration of application-specific code with a tailored kernel to form a monolithic image that can be loaded and run on the hardware of the system. In this setup, both the application and kernel code operate within a unified address space, facilitating efficient resource utilization and performance optimization. This design ensures that even resource-constrained environments can effectively leverage complex applications and functionalities.

Nucleus® RTOS empowers system developers to meet the intricate demands of modern embedded designs. By combining a robust kernel with essential tooling features, Nucleus is perfectly suited for applications that prioritize scalability, connectivity, security, power efficiency, and reliable deterministic performance. This real-time operating system is not only proven and dependable but also fully optimized for various applications. It has demonstrated success in demanding sectors that require stringent safety and security standards, including industrial systems, medical devices, airborne systems, and automotive applications. Nucleus features a stable deterministic kernel designed to occupy minimal memory, complemented by a lightweight process model that enhances memory partitioning. Additionally, it supports dynamic loading and unloading of processes, allowing for increased modularity in applications, thus providing developers with the flexibility needed for diverse project requirements. This adaptability ensures that Nucleus RTOS can effectively cater to the evolving landscape of embedded technology.

FreeRTOS is a real-time operating system that is open source and tailored for microcontrollers, simplifying the programming, deployment, security, connectivity, and management of small, low-power edge devices. Available at no cost under the MIT open source license, FreeRTOS features a kernel alongside an expanding array of software libraries that cater to various industries and applications. This system allows seamless and secure integration of compact, low-energy devices with AWS Cloud services, such as AWS IoT Core, as well as with more robust edge devices running AWS IoT Greengrass. Designed with a focus on both reliability and user-friendliness, FreeRTOS provides the assurance of long-term support releases, making it an attractive choice for developers. Microcontrollers, which are characterized by their simple and resource-limited processors, can be found in a diverse range of products, from home appliances and sensors to fitness trackers, industrial automation systems, and vehicles. As the demand for efficient and manageable IoT solutions grows, FreeRTOS remains a crucial tool for developers working in this expanding field.

RT-Thread, short for Real Time-Thread, is an embedded real-time multi-threaded operating system. It has been designed to support multi-tasking, allowing multiple tasks to run simultaneously. Although a processor core can only run one task at a time, RT-Thread executes every task quickly and switches between them rapidly according to priority, creating the illusion of simultaneous task execution. RT-Thread is mainly written in the C programming language, making it easy to understand and port. It applies object-oriented programming methods to real-time system design, resulting in elegant, structured, modular, and highly customizable code. The system comes in a few varieties. The NANO version is a minimal kernel that requires only 3KB of flash and 1.2KB of RAM. For resource-rich IoT devices, RT-Thread can use an online software package management tool, together with system configuration tools, to achieve an intuitive and rapid modular design.

Developed in collaboration with top chip manufacturers over a span of 15 years, FreeRTOS is now downloaded approximately every 170 seconds and stands as a top-tier real-time operating system (RTOS) tailored for microcontrollers and small microprocessors. Available at no cost under the MIT open source license, FreeRTOS encompasses a kernel along with an expanding collection of IoT libraries that cater to various industries. Prioritizing reliability and user-friendliness, FreeRTOS is renowned for its proven durability, minimal footprint, and extensive device compatibility, making it the go-to standard for microcontroller and small microprocessor applications among leading global enterprises. With a wealth of pre-configured demos and IoT reference integrations readily available, users can easily set up their projects without any hassle. This streamlined process allows for rapid downloading, compiling, and quicker market entry. Furthermore, the ecosystem of partners offers a diverse range of options, including both community-driven contributions and professional support, ensuring that users have access to the resources they need for success. As technology continues to evolve, FreeRTOS remains committed to adapting and enhancing its offerings to meet the ever-changing demands of the industry.

Wind River's eLxr Pro is a robust, commercial-grade Linux solution tailored for a wide range of cloud-to-edge applications, capable of handling critical workloads such as artificial intelligence, machine learning, and computer vision tasks. This solution is derived from the open-source eLxr distribution and delivers adaptable, long-term support alongside continuous security monitoring and updates. It guarantees compatibility with various hardware accelerators and meets necessary industry compliance standards. Additionally, eLxr Pro enhances business operations by offering specialized consulting services and performance improvements, enabling organizations to efficiently scale their edge computing capabilities while effectively managing expenses, ensuring security, and optimizing resource use. By integrating these features, eLxr Pro positions businesses to thrive in an increasingly digital landscape.

We work alongside both open-source communities and commercial entities to ensure that MIPS is well-supported across many leading Real Time Operating Systems (RTOS) as well as emerging IoT-targeted Operating Systems. Furthermore, we have created the MIPS Embedded Operating System (MEOS), which incorporates Virtualization extensions specifically designed for deeply embedded applications and the IoT sector. As MIPS’ proprietary real-time operating system, MEOS is prioritized for updates, ensuring it is the first to incorporate new cores and architectural advancements. The latest release, version 3.1, introduces a virtualization library that transforms MEOS into a hypervisor compatible with MIPS cores featuring the MIPS Virtualization module. Additionally, we are committed to fostering the development of open-source real-time and IoT operating systems by providing engineering resources and supplying necessary development hardware and tools whenever feasible. This collaborative approach not only enhances the ecosystem but also accelerates innovation in the field.

Tizen is a versatile and open-source operating system designed from its inception to meet the diverse requirements of all participants in the mobile and connected device landscape, which encompasses manufacturers, mobile network operators, app developers, and independent software vendors (ISVs). This platform is utilized commercially across various devices, including smart TVs, smartphones, wearable technology like the Gear S and Gear Fit, as well as smart home gadgets. Despite its broad applications, there has been a notable lack of focus on entry-level and budget-friendly IoT devices, such as home appliances that lack displays and wearable bands featuring minimal LCD screens. The aim of TizenRT is to broaden the reach of the Tizen platform to include these types of low-end devices, thereby enhancing its versatility and accommodating a wider array of connected technologies. By doing so, TizenRT hopes to foster innovation and accessibility in the IoT market, ensuring that even the simplest devices can benefit from advanced connectivity.

RIOT serves as the backbone for the Internet of Things in a similar way to how Linux supports the broader Internet. Developed by an enthusiastic global community that includes companies, academic institutions, and hobbyists, RIOT is a free and open source operating system. It is designed to accommodate a wide range of low-power IoT devices and microcontroller architectures, including 32-bit, 16-bit, and 8-bit systems, as well as various external devices. The primary goal of RIOT is to uphold essential open standards that foster a connected, secure, resilient, and privacy-conscious Internet of Things. It features strong security measures such as DTLS for transport layer security, encryption via IEEE 802.15.4, Secure Firmware Updates (SUIT), and a suite of cryptographic packages alongside crypto secure elements. Furthermore, RIOT's modular design allows it to be customized according to specific application requirements. The project maintains compatibility with all widely used network technologies and Internet standards, demonstrating a commitment to innovation and often being an early adopter in the field of networking. Overall, RIOT represents a collaborative effort to shape a secure and efficient IoT landscape.

Android Things provides an opportunity to create devices on a reliable platform, even for those who lack prior experience in embedded system design: You can utilize the Android SDK and Android Studio for development, interact with hardware components like displays and cameras through the Android framework, and utilize the Android Things Console to deliver over-the-air updates for features and security. This platform allows developers to create applications on widely-used hardware systems such as the Raspberry Pi 3. Google's management of the Board Support Package (BSP) means that developers are free from the need to engage in kernel or firmware development. Through the Android Things Console, software images are constructed and sent to devices, ensuring a dependable development environment with regular updates and patches from Google. Consequently, developers can focus on innovation while relying on a robust framework that simplifies the process of building and maintaining their devices.

Arm Mbed OS is an open-source operating system tailored for IoT applications, providing all the essential tools for creating IoT devices. This robust OS is equipped to support smart and connected products built on Arm Cortex-M architecture, offering features such as machine learning, secure connectivity stacks, an RTOS kernel, and drivers for various sensors and I/O devices. Specifically designed for the Internet of Things, Arm Mbed OS integrates capabilities in connectivity, machine learning, networking, and security, complemented by a wealth of software libraries, development boards, tutorials, and practical examples. It fosters collaboration across a vast ecosystem, supporting over 70 partners in silicon, modules, cloud services, and OEMs, thereby enhancing choices for developers. By leveraging the Mbed OS API, developers can maintain clean, portable, and straightforward application code while benefiting from advanced security, communication, and machine learning functionalities. This cohesive solution ultimately streamlines the development process, significantly lowering costs, minimizing time investment, and reducing associated risks. Furthermore, Mbed OS empowers innovation, enabling developers to rapidly prototype and deploy IoT solutions with confidence.

NuttX is a real-time operating system (RTOS) that prioritizes compliance with standards and maintains a compact footprint. It is adaptable, functioning effectively across microcontroller environments ranging from 8-bit to 32-bit, with its core standards being Posix and ANSI. To enhance its functionality, NuttX integrates additional standard APIs from Unix and various popular RTOSs, including VxWorks, particularly for features not encompassed by these core standards or unsuitable for deeply embedded systems, like the fork() function. Currently, Apache NuttX is in the Incubation phase at The Apache Software Foundation (ASF), with support from the Incubator. This incubation phase is mandatory for all newly accepted projects until a thorough evaluation confirms that their infrastructure, communication, and decision-making processes have reached a level of stability comparable to that of established ASF projects. The goal is to ensure that all projects can operate effectively and contribute meaningfully to the community.

Huawei LiteOS is a software platform designed specifically for the Internet of Things (IoT), combining an operating system with middleware. With a remarkably small kernel size of less than 10 KB, it operates efficiently on minimal power, capable of lasting up to five years on a single AA battery. Its quick startup time and secure connectivity features further enhance its usability. These attributes position Huawei LiteOS as an effective one-stop solution for developers, facilitating easier entry into the market and expediting product launch timelines. The platform offers a cohesive open-source API applicable across various IoT sectors, including smart homes, wearables, the Internet of Vehicles, and smart manufacturing. By fostering an open IoT ecosystem, Huawei LiteOS empowers partners to innovate swiftly and propel the development of IoT solutions forward. Its versatility and reliability make it an essential tool in the rapidly evolving landscape of IoT technology.

Mongoose OS is an open-source operating system available in two variants: Community and Enterprise. It offers reliable Over-The-Air updates, secure device provisioning, and remote management, ensuring trusted and proven performance in various applications. Released under the Apache 2.0 license, it allows for commercial licensing and support options. Mongoose OS has been integrated into numerous commercial products, with hundreds of millions of devices actively deployed in production settings. As a recognized partner of Google Cloud IoT Core, it is also recommended by Microsoft Azure IoT for its capabilities in OTA updates, automatic device management, and large-scale firmware deployment. The Azure IoT Hub showcases how to effectively manage firmware updates for devices using Mongoose OS through Over-The-Air capabilities, while Google Cloud IoT Core utilizes MQTT for seamless communication between devices. This robust platform continues to evolve, catering to the needs of developers and organizations focusing on IoT solutions.

With the Toradex Easy Installer, TorizonCore can be set up effortlessly in just one click. You will find that the Graphical User Interface (GUI) and Debian containers equipped with the APT Package Manager allow for a quick and easy start. Moreover, a growing array of development tools, including the Flash Analytics tool, facilitates the rapid development of dependable products. Built with the Yocto Project and based on the Toradex Embedded Linux BSP, TorizonCore is open-source, allowing for extensive customization options. Additionally, Torizon seamlessly integrates with Visual Studio 2019, empowering developers to utilize a Windows development PC while benefiting from the robust Linux ecosystem. Although Toradex continues to offer support for Windows Embedded Compact / WinCE, transitioning to Torizon with Visual Studio presents a compelling opportunity for developers eager to embrace the advantages of Linux. This combination not only enhances productivity but also encourages innovation in software development.

Developers experience significantly higher productivity levels when using Ubuntu compared to custom embedded Linux systems. By utilizing a shared platform, costs can be reduced, as licensing becomes more affordable, updates are more thoroughly tested, and maintenance responsibilities are distributed. The widespread familiarity and usage of Ubuntu facilitate seamless CI/CD processes, access to superior tools, quicker updates, and more reliable kernels. In this context, Linux itself does not provide a competitive edge; instead, leveraging pre-configured boards allows teams to concentrate on software that is distinctively aligned with their objectives. Managing a well-known environment and platform proves to be both easier and more cost-effective than operating a specialized operating system. Unsurprisingly, a larger number of Linux developers prefer Ubuntu, resulting in a richer and more diverse talent pool. By tapping into this expansive talent reservoir, organizations can benefit from Ubuntu's clear advantages across various metrics. Ultimately, productivity thrives on the principle of reuse, and developers can be empowered by accessing the widest selection of packages available. This strategy not only streamlines processes but also accelerates project timelines, leading to enhanced outcomes.

The advent of containers is set to transform the landscape of connected devices, with balenaOS standing out as the premier solution for their deployment. Designed to endure challenging networking scenarios and sudden power losses, it is a stripped-down version of Linux that includes only the essential services for running Docker efficiently on embedded hardware. Built on the foundation of Yocto Linux, it allows for seamless adaptation across a wide range of device types and CPU architectures. The project is actively maintained in a transparent manner, fostering a community that is encouraged to contribute. In our initiative to create balenaCloud—a platform that integrates modern software development tools with connected hardware—we began by adapting Docker for ARM processors in 2013. This experience highlighted the necessity for a dedicated operating system tailored to this specific use case: a lightweight OS perfectly suited for executing containers on embedded devices. Furthermore, this focus on optimization ensures that developers can maximize the potential of their connected solutions.

Enea OSE is a powerful and efficient real-time operating system specifically designed for multi-processor environments that demand genuine deterministic real-time performance and exceptional reliability. By streamlining the development process, it improves system reliability and minimizes long-term maintenance expenses across a diverse array of applications, including wireless technology, automotive solutions, medical devices, and telecom infrastructure. Tailored for communication and control systems, Enea OSE excels in delivering high performance alongside stringent real-time requirements. Its widespread implementation spans several sectors, including telecommunications, industrial automation, and embedded systems, ensuring its relevance in modern technology. Notably, the Enea OSE multicore kernel, which has garnered two prestigious awards, combines the user-friendly aspects of Symmetric Multi-Processing (SMP) with the scalability and deterministic benefits of Asymmetric Multi-Processing (AMP), all while maintaining the high performance characteristic of bare metal operation. This unique architecture makes Enea OSE a compelling choice for developers seeking reliability and efficiency in their multi-core applications.

The MQX real-time operating system (RTOS) delivers excellent real-time capabilities while maintaining a compact and customizable footprint. This RTOS is seamlessly integrated with NXP's 32-bit MCUs and MPUs and comes with essential device drivers commonly utilized in embedded applications. Designed with a contemporary, component-oriented microkernel architecture, the MQX RTOS allows engineers to tailor features, size, and performance by selectively integrating components, thus adhering to the stringent memory limitations typical of embedded systems. Remarkably, it can be set up to use as little as 8 KB of ROM and 2.5 KB of RAM on the Arm Cortex M4, accommodating the kernel, two task applications, one lightweight semaphore, the interrupt stack, queues, and the memory manager. This configuration ensures a complete RTOS core is available while offering additional optional services as needed. By linking components only when required, the system effectively avoids unnecessary memory bloat from unused functions. Moreover, key components are offered in both standard and lightweight configurations, providing further flexibility regarding size, RAM and ROM usage, and performance options, making it a versatile choice for various applications.

The Device OS provides a user-friendly programming framework that simplifies the creation of applications for your devices. With just a single line of code, you can securely transmit messages to the web. There are four essential communication primitives available for interaction with the web via the Device Cloud. This platform stands out as the only IoT solution that offers a complete integration of hardware, software, connectivity, and cloud infrastructure right from the start, enabling you to quickly and safely execute OTA updates of any size. The setup process is straightforward, allowing you to implement remote updates within minutes without the need for custom integrations. Our distinctive Intelligent Firmware Release feature incorporates context awareness, allowing fleet-wide OTA firmware updates to be completed in mere minutes. Moreover, Particle supports both individual device and fleet-wide OTA functionalities that effortlessly scale with your fleet, accommodating everything from prototypes to full-scale production. This ensures that as your needs evolve, the platform can adapt accordingly.

Since its inception in 1980, QNX has been the choice of thousands of enterprises seeking to implement real-time operating systems that deliver an optimal blend of performance, security, and reliability for their mission-critical operations. Central to QNX's innovation is the QNX Neutrino® Real-time Operating System (RTOS), which is a comprehensive solution that facilitates the development of next-generation products across various sectors where dependability is paramount, such as automotive, healthcare devices, robotics, transportation, and industrial embedded environments. Thanks to its microkernel architecture, QNX ensures that a failure in one component does not disrupt the operation of others or compromise the kernel, as the malfunctioning part can be simply halted and restarted without negatively impacting the overall system. The QNX Neutrino RTOS stands out by providing the determinism unique to real-time operating systems, employing methods like adaptive partitioning to ensure that essential processes receive the necessary processing cycles to perform their tasks promptly, all while sustaining the performance expectations of intricate embedded systems. This combination of features makes QNX Neutrino RTOS a preferred choice for developers looking to create robust and resilient applications. As technology continues to evolve, the adaptability of QNX's offerings ensures that they remain at the forefront of real-time operating system solutions.

PikeOS is a separation kernel-based hypervisor that supports multiple partitions for many operating systems and applications. It allows you to create smart devices for the Internet-of-Things. PikeOS is the best choice for systems that require protection against Cyber-Security attack due to its separation kernel approach. It is widely used in millions of edge and IoT systems. However, it has also been deployed in critical communications infrastructures. PikeOS combines virtualization and real time with unique technologies that have never been seen before. It allows you to move multiple complex embedded circuit boards into one hardware. It is also able to handle new hardware concepts like Big-SoCs that have multiple heterogeneous cores. PikeOS can run on multiple architectures and support processors that have a memory management unit (MMU).

At the core of every embedded operating system lies a kernel, which plays a crucial role in task scheduling and multitasking to guarantee that the timing demands of your application code are fulfilled, even as you frequently enhance and modify that code with new functionalities. However, Micrium OS offers more than just a kernel; it includes a variety of supplementary modules designed to assist you in addressing the specific requirements of your project. Furthermore, Micrium OS is available completely free for use on Silicon Labs EFM32 and EFR32 devices, allowing you to integrate Micrium’s high-quality components into your projects today without incurring any licensing costs. This accessibility encourages innovation and experimentation, ensuring that developers can focus on creating robust applications without the worry of financial constraints.

INTEGRITY employs hardware memory protection to effectively isolate and safeguard embedded applications. By utilizing secure partitions, it ensures that every task has the necessary resources to operate correctly while simultaneously shielding the operating system and user tasks from erroneous and harmful code, which encompasses threats like denial-of-service attacks, worms, and Trojan horses. To facilitate developers in expediting their product creation, Green Hills Software provides a comprehensive suite of middleware that has been integrated and validated for use with INTEGRITY, featuring options like FFS, FAT, NFS, and journaling file systems, alongside both IPv4 and IPv6 host and routing networking stacks, as well as a FIPS 140-2 certified Suite B embedded encryption library, among other tools. Notably, each middleware package has undergone pre-integration and rigorous testing to ensure it operates smoothly with INTEGRITY’s sophisticated RTOS features. Furthermore, Green Hills Software also presents tailored platforms for various industries, which encompass a fully integrated ecosystem that includes the INTEGRITY RTOS along with essential development tools, aiming to streamline the development process even further. This cohesive approach not only boosts efficiency but also enhances the overall security of embedded applications.

embOS stands as a priority-driven real-time operating system (RTOS) that serves as a robust foundation for embedding applications, with ongoing development since its inception in 1992. It supports all major processor architectures, compilers, and development environments, having found its way into billions of devices across diverse sectors. Engineers have consistently favored embOS in the embedded market due to its reliability and user-friendly nature. The system ensures 100% deterministic real-time performance for all types of embedded devices, making it a trusted choice. Highly portable and fully source-compatible across different platforms, embOS allows for straightforward application migration between various cores. Developers can create tasks with ease and facilitate secure communication among them through mechanisms such as semaphores, mailboxes, and events. Furthermore, embOS offers a free version for non-commercial applications, such as educational and evaluative purposes, which comes without any technical restrictions. This accessibility encourages experimentation and innovation in the field of embedded systems.

TI-RTOS significantly shortens development timelines by removing the necessity of building fundamental system software functions from the ground up. It ranges from a real-time multitasking kernel known as TI-RTOS Kernel to a comprehensive RTOS solution that encompasses additional middleware, device drivers, and power management features. When combined with TI's ultra low-power microcontrollers, TI-RTOS allows developers to create applications that achieve substantially extended battery life. By offering crucial system software elements that are already tested and integrated, TI-RTOS allows developers to concentrate on making their applications stand out. This platform builds on established, reliable software components to maintain high standards of reliability and quality. Moreover, it is supplemented with thorough documentation, extra examples, and APIs tailored for multitasking development, facilitating integration testing to ensure seamless cooperation among all components. This comprehensive approach effectively streamlines the entire application development process, greatly enhancing the efficiency and performance of the final product.

Azure RTOS serves as a comprehensive suite for embedded development, featuring a compact yet powerful operating system that delivers reliable and ultra-fast performance tailored for devices with limited resources. Its user-friendly design and proven market success are evident, with deployment figures exceeding 10 billion devices globally. This operating system is compatible with the leading 32-bit microcontrollers and embedded development platforms, allowing teams to leverage their existing expertise effectively. With Azure RTOS, developers can seamlessly integrate cloud and local network connectivity, create robust flash file systems, and craft sophisticated user interfaces. Additionally, the code adheres to rigorous industry safety and security standards, ensuring its reliability. Clean and straightforward code not only enhances usability and maintenance but also contributes to a reduced total cost of ownership. Furthermore, achieving most safety-related certifications necessitates the submission of the entire source code for the software, including components of the RTOS, which underscores the importance of transparency in development processes. Each of these features collectively enhances the overall effectiveness of the development lifecycle.

Dropbear is a compact SSH server and client that operates on various Unix-like platforms. It is an open-source program released under an MIT-style license, making it accessible for developers. Its design is particularly advantageous for "embedded" Linux systems, like those found in wireless routers. For those interested in staying updated on new releases or engaging in discussions, a low-traffic mailing list is available for subscriptions. With an efficient memory footprint, Dropbear can be compiled into a statically linked binary of just 110kB using uClibc on x86 architecture, provided that only the essential options are selected. Additionally, the server supports X11 forwarding and authentication-agent forwarding for clients using OpenSSH. Users can compile the server, client, key generator, and key converter into a single executable, similar to busybox, with the ability to disable certain features during compilation to conserve space. The software also includes a multi-hop mode that allows SSH TCP forwarding, enabling users to tunnel through multiple SSH hosts seamlessly in a single command, demonstrating its versatility in various networking scenarios. This flexibility makes Dropbear a favored choice for projects requiring lightweight and efficient SSH solutions.

airTool is a multifunctional application for working with network equipment from "Ubiquiti Networks (AirOS)", "Mikrotik (RouterOS)" and others. Main functions: - Activation of the "Compliance Test" for Ubiquiti airmax M and AC devices simultaneously on a large number of devices without resetting the settings - Backup on a large number of devices simultaneously. - Firmware recovery tool. Works for any equipment that supports recovery via TFTP. The "airTool" application was created by a small VISP and is used in a network with more than a thousand devices.

Fuchsia is an innovative open-source operating system developed by Google that is currently undergoing continuous enhancement. The system is being constructed from the kernel upwards to address the demands of today’s expanding network of connected devices. Although Fuchsia is still in a state of rapid evolution, its foundational principles and values have remained largely consistent throughout its development. The main architectural principles that steer Fuchsia’s design are rooted in security, updatability, inclusivity, and pragmatism. These guiding principles—secure, updatable, inclusive, and pragmatic—form the backbone of Fuchsia's ongoing design and development efforts. As a community-driven project, Fuchsia encourages high-quality, well-tested contributions from anyone interested in participating. Even though there are various frameworks that have been suggested to influence its design, Fuchsia remains a dynamic work in progress. As it continues to evolve, Fuchsia aims to adapt to the changing needs of developers, manufacturers, and consumers alike, ensuring it remains relevant in an ever-shifting technological landscape. The commitment to an open-source model underlines the importance of collaboration and community engagement in shaping the future of Fuchsia.

The µ-velOSity RTOS stands out as the most compact option within Green Hills Software's suite of real-time operating systems. Developed as a C library, it is highly adaptable for various target architectures, facilitating easy integration. Its streamlined architecture is closely aligned with the MULTI IDE, making µ-velOSity not only straightforward to learn but also user-friendly. By providing a clear and concise API, it helps to shorten development timelines and enhance the maintainability of products. Consequently, this can lead to cost reductions and faster time-to-market for developers transitioning from standalone or no-OS setups. Thanks to its efficient architecture and small memory footprint, µ-velOSity outperforms many competitors by fitting seamlessly within on-chip memory. This design choice eliminates reliance on off-chip memory, significantly boosting execution speed. Furthermore, the RTOS has been engineered to minimize CPU clock cycles during booting, an essential feature for embedded systems that demand rapid startup times. Additionally, µ-velOSity is exceptionally suited for embedded devices that have strict power consumption constraints, ensuring optimal performance without compromising energy efficiency. In summary, µ-velOSity provides a robust solution for developers seeking a reliable and efficient RTOS for various embedded applications.

The Empress Embedded Database engine serves as the vital component of the EMPRESS RDBMS, which is a relational database management system that excels in embedded database technology, powering everything from automotive navigation systems to essential military command and control operations, as well as Internet routers and sophisticated medical applications; EMpress consistently operates around the clock at the heart of embedded systems across various industries. One standout feature of Empress is its kernel level mr API, which offers users direct access to the libraries of the Embedded Database kernel, ensuring the quickest way to reach Empress databases. By utilizing MR Routines, developers gain unparalleled control over time and space when creating real-time embedded database applications. Furthermore, the Empress ODBC and JDBC APIs allow applications to interact with Empress databases in both standalone and client/server environments, enabling a variety of third-party software packages that support ODBC and JDBC to easily connect to a local Empress database or through the Empress Connectivity Server. This versatility makes Empress a preferred choice for developers seeking robust and efficient database solutions in embedded systems.

Contiki-NG is a free and open-source operating system designed for the next generation of Internet of Things (IoT) devices, emphasizing reliable and secure low-power communication along with standard protocols like IPv6/6LoWPAN, 6TiSCH, RPL, and CoAP. The platform is accompanied by comprehensive documentation, tutorials, a clear roadmap, and a structured development process that facilitates the integration of contributions from the community. By default, unless stated otherwise, the sources of Contiki-NG are available under the 3-clause BSD license, which permits users to utilize and share the code in both binary and source formats, provided that the copyright notice is preserved in the source materials. This licensing model supports an open collaborative environment that promotes innovation and community engagement in IoT development. Contiki-NG aims to foster a vibrant ecosystem for developers and users alike, ensuring that they can build upon and enhance the existing frameworks.

Accelerate the launch of your critical embedded systems with our commercial real-time operating system (RTOS), along with our comprehensive development tools and services. BlackBerry QNX provides a proven RTOS, hypervisor, and a suite of embedded software designed to ensure your success. Our platform is the preferred choice for applications ranging from ventilators and train control systems to factory automation and medical robotics. Regardless of whether your focus is on achieving safety certification, enhancing security, or maximizing performance, our solutions can help you develop more dependable products. If your goals include improving security or ensuring safety, or if you aim to simplify your cross-platform development workflow, we are here to assist. We specialize in bringing your projects to fruition with an RTOS and hypervisor specifically designed for embedded systems, including options that come pre-certified. Our modular microkernel architecture not only enhances reliability but also reduces the need for duplicative OS development efforts across various products, allowing for more efficient use of resources. By choosing BlackBerry QNX, you are investing in the future of embedded systems development.

To set up your first user on an Ubuntu Core installation, you'll need an Ubuntu SSO account. This guide will detail the process of flashing Ubuntu Core onto a Raspberry Pi 2, 3, 4, or CM3. By the conclusion of these steps, your board will be fully prepared for either production use or testing snaps. Once the installation is complete, you will be ready to install snaps using the snap command. The Snap Store offers a variety of top-tier Linux applications packaged as snaps, enabling you to enhance your Ubuntu device and embark on your secure IoT journey. With this setup, you'll be equipped to explore numerous applications tailored for your needs.

TinyOS is a freely available operating system under the BSD license, specifically crafted for energy-efficient wireless devices that are utilized in various applications like sensor networks, ubiquitous computing, personal area networks, smart buildings, and smart meters. Its development and support come from a global community comprised of both academic and industrial contributors, with an impressive average of 35,000 downloads annually. Recently, the transition to GitHub for hosting has been finalized, which involves gradually phasing out the existing TinyOS development mailing lists for bug tracking and issues, in favor of utilizing GitHub's tracking system. We extend our gratitude to all the dedicated developers who are actively enhancing TinyOS and facilitating pull requests for improvements, thereby fostering a collaborative development environment that benefits all users. This evolution signifies a major step forward in streamlining communication and collaboration within the TinyOS community.

Alpine Linux stands as a distinctive, non-commercial, general-purpose Linux distribution tailored for advanced users who value security, simplicity, and efficient use of resources. It is constructed using musl libc and busybox, which contributes to its smaller size and enhanced resource efficiency compared to conventional GNU/Linux distributions. The entire container can occupy no more than 8 MB, while a minimal installation requires approximately 130 MB of disk space. Users gain access not only to a complete Linux environment but also to an extensive range of packages from its repositories. The binary packages are streamlined and divided, providing greater control over installations, which helps maintain a compact and efficient system. Alpine Linux prioritizes simplicity, ensuring it remains unobtrusive in its operation. With its specialized package manager known as apk, the OpenRC initialization system, and script-driven configurations, it offers a straightforward, clear Linux experience devoid of unnecessary complexity. Ultimately, this makes Alpine Linux an appealing choice for users looking for a minimalistic yet functional operating system.

Ayla adopts a genuinely agnostic strategy, facilitating device connectivity through various widely-used transport protocols, connectivity methods, and cloud infrastructure solutions. Compatible with standards such as HTTPS, MQTT, and CoAP, Ayla offers a comprehensive selection of pre-configured agents designed for embedded systems, gateways, Android, Linux, BLE/phones, and cloud connectivity. The company’s Virtualization Engine creates a powerful 'digital twin' of each physical device, establishing a strong groundwork for managing devices at a large scale within the IoT ecosystem. With proven functionalities like a rules engine, firmware Over-The-Air (OTA) updates, and data policies, Ayla's Device Management system ensures thorough support for connected products throughout their entire lifecycle. Additionally, Ayla's application enablement capabilities allow businesses to derive significant value from their data in numerous ways. By providing both a Web Framework and a Mobile Platform SDK, Ayla accelerates the development of consumer and business applications. Furthermore, they offer services such as Customer Care, Field Service, and Asset Tracking, enhancing the overall user experience and operational efficiency.

The advent of container-based infrastructure represented a significant transformation in technology. A Linux distribution specifically optimized for containers serves as the ideal groundwork for a cloud-native setup. This streamlined operating system image consists solely of the essential tools needed for container execution. By omitting a package manager, it prevents any potential for configuration drift. The use of an immutable filesystem for the OS effectively mitigates a range of security vulnerabilities. Additionally, automated atomic updates ensure that you consistently receive the most current security patches and open-source technology advancements. Flatcar Container Linux is purpose-built from the ground up to support container workloads effectively. It fully embraces the container philosophy by incorporating only the necessary components for running containers. In a world of immutable infrastructure, it is crucial to have an equally immutable Linux operating system. With Flatcar Container Linux, your focus shifts from configuration management to effectively overseeing your infrastructure, allowing for a more efficient and secure operational environment. Embracing this approach revolutionizes how organizations manage their cloud-native applications and services.

Enterprise-Grade Linux for Edge-to-Cloud Implementations. This collaborative open-source initiative is a Debian-based Linux distribution specifically designed for applications spanning from edge to cloud scenarios. It guarantees reliable performance and stability across devices, on-premises environments, and cloud infrastructures. eLxr offers a robust and secure distribution, built upon the innovations of the open-source community, featuring a reliable release and update schedule that supports extended lifecycles and long-term deployments. It is especially suited for applications with strict timing demands, utilizing preempt-rt kernel configurations to enhance low-latency responses and ensure tasks are performed within exact timeframes. This approach leads to improved determinism and predictability when compared to conventional Linux kernels. eLxr is designed with a reduced footprint, promoting optimal performance and resource efficiency while minimizing potential vulnerabilities. It encompasses all essential features and capabilities, ensuring the most effective use of system resources while supporting diverse deployment needs. As a result, users can expect a highly adaptable and efficient platform for various application requirements.