Best Free IoT Development Platforms of 2025

Blynk is a low-code IoT software platform for connecting devices to the cloud, building mobile apps to remotely control and monitor them, and managing thousands of users and deployed products. It helps businesses and individuals seamlessly progress from a prototype of a connected product to its commercial launch and further growth. Blynk is an IoT software solution that includes application development, big data analytics and connectivity management. It also includes features like data collection, data management and device management. Blynk is hardware-agnostic which means customers can connect to the Internet any device from the broad list of supported hardware and use a suite of software products to monitor and control it. For prototyping, the platform is available for free. Commercial plans start at $49/month

PlatformIO is an innovative collaborative platform designed specifically for embedded development, allowing users to conserve both time and resources by significantly lowering the costs and effort needed for software creation and maintenance. The embedded systems sector is in dire need of a transformative approach, as many existing IDEs and tools rely on outdated technology from the 1990s, presenting intricate requirements and platform-specific configurations that discourage skilled developers from pursuing careers in embedded engineering. Recognized as the most favored IDE solution for Microsoft Visual Studio Code, it offers a user-friendly and highly extensible integrated development environment equipped with a comprehensive suite of professional development tools. These tools are engineered to enhance both the speed and simplicity of embedded product creation and delivery. Additionally, PlatformIO is crafted entirely in pure Python, ensuring that it operates independently of any external libraries or system tools, which further streamlines the development process and fosters a more efficient workflow. Its commitment to modernizing embedded development makes it an essential choice for developers looking to innovate in this space.

One-stop IoT device platform that offers custom services for connected hardware prototyping and testing, launch, remote management, and launch. Our mission Smart technologies can make the world a better place. Things work for people, but people have the ability to make things better. Our values Innovations We are confident that innovative technologies will improve the efficiency of the economy. This applies to the entire world, as well as our country's economy. Technology passion Technology is here to improve our lives. They save time so that we can spend it on improving ourselves. Teamwork The Internet of things is a great tool for teamwork. You just need to teach them the same as people.

Eclipse Kura™ is a flexible and open-source framework designed for IoT Edge applications, built on Java/OSGi. It provides developers with API access to various hardware interfaces found in IoT gateways, such as serial ports, GPS, watchdog timers, GPIOs, and I2C. Among its features, Kura includes pre-configured field protocols like Modbus, OPC-UA, and S7, an application container, and a web-based visual programming tool that facilitates data acquisition from the field, edge processing, and efficient publishing to prominent IoT cloud platforms via MQTT. The rise of an IoT service gateway model utilizing contemporary software architectures at the edge of IoT implementations acts as a unifying controller and aggregator, enabling the integration of advanced enterprise technologies into IoT gateways. By utilizing sophisticated software frameworks that simplify the complexities of hardware and networking, the development and reusability of combined hardware and software solutions are significantly transformed, fostering innovation and efficiency in IoT projects. This shift empowers developers to focus more on application logic rather than underlying technical challenges.

The speed at which an application enters the market can be crucial for its success. Unfortunately, numerous enterprises, agencies, and developers hinder their own progress by spending excessive time creating essential functionalities from the ground up, which ultimately prolongs development schedules. By utilizing pre-built features, your application can start with a solid framework, allowing for rapid advancement right from the outset. You can slash development time by up to 80%, enabling you to launch your application in mere days instead of months when utilizing Onymos's comprehensive, full-stack solutions. Each Onymos feature represents over a thousand hours of coding effort, and this figure continues to grow. Furthermore, when software or APIs undergo updates, so do our features, incorporating essential components such as UI/UX design, front-end logic, and integrated cloud services including Stripe, APNs, and Amazon S3. With Onymos Features, you receive a complete package that streamlines the development process. Organizations like Albertsons, CVS Pharmacy, and Walmart have already begun leveraging Onymos to build their apps, demonstrating the effectiveness of this innovative approach. Ultimately, choosing Onymos not only accelerates your project but also ensures it remains competitive and up-to-date in a rapidly evolving digital landscape.

The demand for software requirements is growing at an unprecedented rate, yet the capacity of your team remains static! With Qt 6's advanced tools and APIs, both designers and developers are equipped to enhance their output significantly! You can create 2D and 3D applications that maintain a consistent brand identity and feature either a custom or native aesthetic, all while utilizing tools that are user-friendly for both designers and developers, a more efficient yet robust QML language, and a versatile graphics framework. Qt 6, along with its vast ecosystem, supports the entire spectrum of devices, from microcontrollers to supercomputers, providing everything necessary for designing, developing, and deploying software across your entire product lineup. You can build applications that are not only visually appealing on the front end but also robust on the back end, using a single codebase adaptable to any hardware, operating system, or bare metal setup. Qt Group stands as a worldwide leader in software solutions, boasting a significant footprint in over 70 industries and powering more than one billion devices and applications globally. Major corporations and developers across the globe rely on Qt for their innovative software solutions.

Manage and oversee all your smart home devices through a centralized web interface. The Web of Things aims to establish a decentralized Internet of Things (IoT) by assigning URLs to connected devices, allowing for easy linking and discovery, while also setting forth a standard data model and protocol to ensure interoperability among them. WebThings serves as an open source realization of the Web of Things concept, featuring the WebThings gateway, WebThings framework, and WebThings cloud. Initially nurtured at Mozilla for four years, the WebThings initiative has since emerged as an autonomous open source project. The WebThings Gateway is a software package designed for smart home gateways, enabling users to manage their smart home directly via the web, eliminating the need for intermediaries. It offers a web-based interface for monitoring and controlling devices, includes a rules engine for automation, and supports an add-ons system for enhanced compatibility with a diverse array of existing smart home devices. By providing these features, WebThings not only simplifies smart home management but also fosters innovation in home automation technologies.

Qubitro facilitates teamwork on device data and contemporary application creation. It imposes no restrictions on data ingestion or extraction, ensuring they do not impact overall usage. With built-in support for widely-used data sources, Qubitro also offers tools for seamless real-time collaboration on your initiatives alongside scalable infrastructure. To utilize Qubitro effectively, one must establish a project that organizes various data sources and platform functionalities. Additionally, enhance your startup's offerings through effective event planning and strategic marketing efforts. By leveraging these features, Qubitro empowers teams to innovate and expand their projects efficiently.