Best Communications Software for Linux of 2025

OptiSigns, your friendly digital signage software! Designed with simplicity and ease in mind, it's the perfect harmony of affordable software and usage with any hardware in the market. Pick from 140+ Apps, Thousands of Templates, and formats like images & videos, playlists, Google Slides, Weather, Instagram, Twitter, YouTube – you name it! Level up your business and start engaging your audience. For just $10/month per screen, use any display to capture your audiences attention! Remotely manage it all from one central portal. Indulge in features, images, videos, playlists, and schedules. Jazz it up with apps like Google Slides, Weather, Instagram, Facebook, Twitter, and more. Oh, and did we mention? We play nice with the most hardware and operating systems in the market like Fire TV Stick, Android, Chrome, Raspberry Pi, Roku, Windows, Linux, and MacOS. Time to unleash your business potential!

3CX is an open-standards, software-based IP PBX that provides complete Unified Communications right out of the box. 3CX is suitable for all industries and sizes. It can provide everything you need, from mobility and status to advanced call center features and more, at a fraction the cost. 3CX is ideal for remote companies and includes mobile apps, video conference, and website live chat. The installation, management, and maintenance of the PBX are so simple that you can easily manage it yourself, on your own appliance, server, or on a cloud-based platform. You can also choose to have it hosted on 3CX for an easy solution.

Twilio's Messaging API is an essential tool for businesses looking to integrate messaging capabilities into their applications with ease. It provides a reliable RESTful API that facilitates the sending and receiving of SMS, MMS, and WhatsApp messages on a global scale. This API allows businesses to automate and scale their communications, ensuring that messages reach customers through their preferred channels. With support for various sender types, such as long codes, short codes, toll-free numbers, and alphanumeric sender IDs, Twilio offers flexibility in message delivery. The Messaging Services feature further enhances this by enabling the grouping of global senders and intelligent sending, which automates sender selection and manages compliance regulations. Additionally, the API supports inbound webhooks, allowing businesses to handle responses programmatically and engage in two-way conversations with customers. Twilio's comprehensive documentation, sandbox testing, and robust support empower businesses to create efficient, scalable, and compliant messaging solutions that enhance customer engagement and drive conversions.

Explore the transformative power of viewneo, a comprehensive digital signage solution tailored for businesses of all sizes, from bustling local shops to expansive global enterprises. Our advanced system integrates flawlessly with essential tools such as RFID readers and the pioneering viewneo Butler smart device gateway, redefining the effectiveness of visual communications. Enhance your digital displays with our extensive library of over 20 customizable plugins that include functionalities like real-time weather forecasts, interactive video walls, and seamless social media content integration from popular platforms like Instagram and Facebook. Viewneo’s intuitive Content Management System (CMS) streamlines the scheduling and distribution of content across various locations, ensuring efficient campaign management and maximized audience engagement. Leverage viewneo’s scalable solutions to elevate your advertising strategies and enhance customer communications. With viewneo, you can effortlessly transform your visual engagement strategy, making use of detailed analytics to track viewer interactions and adapt your content for the highest impact. Embrace the future of digital signage with viewneo, widely trusted for delivering sophist

Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.

WebCatalog Desktop is a versatile platform designed to help freelancers, remote teams, and agencies streamline their digital workflow by organizing all their web apps and accounts on Windows, macOS, and Linux. It converts any website into a standalone desktop application, eliminating the chaos of multiple browser tabs and enabling users to switch effortlessly between different accounts without logging out. The platform ensures data privacy and security by running each app in its own sandbox, effectively blocking cross-site tracking. Users benefit from unified notifications, fully customizable layouts, and the ability to group apps into dedicated workspaces for efficient multitasking. Powerful cross-device syncing keeps your app setup consistent no matter which device you use. Supporting hundreds of popular web apps, WebCatalog Desktop offers deep customization options tailored to professional needs. It helps teams stay organized, focused, and distraction-free while managing multiple tools simultaneously. The platform is ideal for anyone seeking a smarter way to manage web applications outside traditional browsers.

Shape Software's purpose-built sales and marketing automation software empowers you to manage all aspects of your business from one platform. The cloud-based software from Shape offers many tools to help you manage and automate your online marketing, promotions via text, email and digital marketing ads, capture leads from online sources, nurture prospects and customers and project manage your day. You can also offer customers a secure portal to streamline your intake processes, systematically score leads with ShapeIQ, and run detailed custom reporting. Start growing your revenue with Shape's flexible suite of services today.

Odoo is an open-source, fully customizable and extensible software that includes hundreds of professionally designed business applications. Odoo's intuitive database can meet most business needs including CRM, Sales, Projects, Manufacturing, Inventory, Accounting, and Accounting. Odoo is a software solution that can be used to meet all company needs, regardless of size or budget. Odoo's seamless design makes it easy for businesses to become more efficient and save time. Each module is interconnected to offer a seamless experience from one app to the next. Users can automate many tasks that would otherwise require manual inputs to multiple applications. Odoo enables teams to collaborate with each other from one platform, allowing them to keep all business functions in one place.

EventsAir is the one platform you need for everything events. Execute engaging in-person, virtual, and hybrid events with a solution that supports you from start to finish. From built-in budgeting and accounting tools to breathtaking on-brand event sites and seamless registration experiences, EventsAir's all-in-one event management software makes event planning a breath of fresh...air.   With over 30 years of expertise, EventsAir has powered 350,000+ successful events, earning the trust of the industry's best to deliver seamless, standout experiences. We love dynamic and complex events, which is why we’ve built a comprehensive platform designed to grow and evolve alongside you. 

Use the language you already love to prototype ideas quickly, develop production-ready communications applications, and run serverless applications on one API-powered platform. Twilio is a single fully-programmable platform with flexible APIs for any channel, built-in intelligence, and global infrastructure to support you at scale. Quickly integrate powerful APIs to start building solutions for SMS and WhatsApp messaging, voice, video, and email. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Consult our community of over 9 million developers for guidance and inspiration on your next project. Sign up and start building today.

SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email. It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly. SpamTitan Email Security is available for a free, fully supported trial. SpamTitan – Premium functionality included * CEO Impersonation protection * Spearphishing Protection/ Phishing * Link analysis * Full Sanding * Zero Day Attacks protection * Mail Spooling * Spoofing protection * Ransomware and Malware Protection * SPF/DKIM/DMARC checking * Encryption * Fully multi-tenant environment * Ability to rebrand entire UI * Full REST API * Set up documents and support SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!

Napersoft CCM Document Platform 8 for Microsoft®, Windows and Linux is our latest platform solution. It was designed for today's connected world and includes many new and advanced features. Platform for medium-sized to very large businesses that allows batch, interactive and onDemand creation, formatting, and delivery of relevant, personalized customer communications through multiple channels including print, text, email and more.

Rise Vision is the all-in-one platform for digital signage, screen sharing, and emergency alerts. Rise Vision helps you communicate, teach, collaborate, and improve safety affordably with easy cloud-based digital signage, screen sharing, and emergency alerts—all backed by world-class support and flexible hardware options. Whether you use our recommended media player and displays or bring your own hardware, Rise Vision ensures you’re up and running in minutes with 600+ professionally designed templates and world-class support. Digital Signage: Create engaging content with 600+ customizable templates, powerful integrations with tools like Power BI, Microsoft 365, Google Workspace, Canva, social media, and more. Screen Sharing: Enhance collaboration and teaching by sharing content wirelessly from any device to any display. Screen share without needing an account or opt for secure, moderated sessions. Emergency Alerts: Keep your organization safe with instant alerts. Rise Vision integrates with leading emergency systems via the Common Alert Protocol (CAP) to send alerts to your displays.

Partnering with Salesforce, Titan Forms and Apps are a game-changer in the industry, making the world’s number #1 CRM accessible, and effortless for anyone to use. At the touch of a button, and with zero code, experience strength, speed, and agility for Salesforce Forms and your business processes. Slash time to market, nuke code, and tackle any use case on a single platform. Our best-of-breed forms and applications for Salesforce cater to any industry and it’s our mission to provide custom solutions for difficult problems. Build beautiful web portals, sign documents, generate docs, send surveys, automate contracts, fill out Salesforce forms, and so much more in just a few simple clicks. No code required and with our new AI assistant you can build even faster and with fewer errors. We are the only product on the market that empowers you to send data to Salesforce and pull it back in real-time without any development or added expense. Our customers and partners are the heartbeat of Titan. If you need a feature, simply request it via our Titan X Lab and we will consider it for our roadmap! So what’s stopping you? Schedule a demo today.

Cloudbrink's secure access service boosts employee productivity and morale. For IT and business leaders whose remote employees cannot be fully productive due to inconsistent network performance, Cloudbrink’s HAaaS is a high-performance zero-trust access service that delivers a lightning-fast, in-office experience to the modern hybrid workforce anywhere. Unlike traditional ZTNA and VPN solutions that trade off security for user performance, frustrate employees, and slow productivity, Cloudbrink’s service secures user connections and solves the end-to-end performance issues that other solutions fail to address. Cloudbrink's Automated Moving Target Defense security is ahead of any other secure access solution. Rated by Gartner as the "future of security", Cloudbrink is leading the way. By constantly changing the attack surface, it is significantly harder to identify and attack a Cloudbrink user's connection. ==> Certificates are rotated every 8 hours or less ==> There are no fixed PoPs - users connect to three temporary FAST edges ==> The mid-mile path is constantly changed If you are looking for the fastest most secure remote access connectivity solution, you have found it with Cloudbrink.

ADManager Plus is an effortless and user-friendly solution for managing and reporting on Windows Active Directory (AD), designed to assist both AD administrators and help desk staff with their daily operations. Featuring a centralized and user-friendly web interface, this software addresses a range of intricate tasks, including the bulk management of user accounts and various AD objects, delegation of role-based access to help desk personnel, and the generation of a comprehensive array of AD reports, many of which are critical for compliance audit purposes. Additionally, this Active Directory tool provides mobile applications that enable AD administrators and technicians to carry out essential user management functions from their smartphones or tablets while on the go. It simplifies the process of creating multiple users and groups in Office 365, managing licenses, establishing Exchange mailboxes, migrating existing mailboxes, setting storage limits, and adding proxy addresses, thereby enhancing overall efficiency. With its robust features, ADManager Plus stands out as a vital asset for organizations aiming to streamline their AD management processes.

HIPAA compliant faxing and email, SMS and forms with seamless EHR integration. Medsender is a complete automation system for healthcare that uses the latest artificial intelligence. HIPAA compliant faxing and email, SMS, forms, signatures, and forms embedded seamlessly into your EMR. Our secure cloud platform makes it easy to process all your incoming faxes. All incoming faxes can be automatically sorted to the correct staff and patient charts. Patients can easily fill out forms and send notes. It integrates seamlessly with your EMR. It's easy to set up in one click and there is no need for fax machines! We integrate with all the most popular EMRs, with more integrations in the works. Medsender can be used with or without an EMR. We assist you in using the most recent AI technology to eliminate repetitive tasks and busy work. You can rest assured. Medsender currently processes over 5m pages patient data at 99.9%+ uptime.

Robin’s workplace platform is built with hybrid work in mind and has specialized tools for visitor management, meeting room management, and flexible desk booking, including: - A streamlined experience for office visitors - Actionable insights on capacity trends - Team-by-team stats - Meeting room usage - In-depth reporting for more granular analytics Get everything you need to manage your workplace, help people find coworkers and conference rooms, and welcome guests to the office.

Moxo’s service orchestration platform revolutionizes complex B2B interactions by delivering seamless and efficient experiences. Inefficiencies and risks often arise when business processes are scattered across departments, clients, vendors, and partners. Moxo eliminates these challenges by unifying workflows—transforming fragmented operations into streamlined, cost-effective solutions that boost client satisfaction. Moxo platform accelerates essential tasks such as client onboarding, document management, and exception resolution. The outcome: quicker process completion, minimized compliance risks, and exceptional client experiences. Trusted by industry leaders in financial services, consulting, legal, healthcare, and real estate—including Citibank and BNP Paribas—Moxo powers the orchestration of mission-critical business relationships.

Our autodialer software is used to automate sales calls, payment collections and appointment reminders. It can also be used to broadcast mass emergency voice broadcasting. This system is ideal for Telcos or companies selling callcenter services. It is multi-tenant with billing, white-labeled, and economical to operate as you choose your Voice Provider. Our autodialer software can dramatically increase productivity by dropping busy, disconnected and unanswered lines, passing calls to real people back and answering them, and leaving messages on answering machine.

Ant Media provides ready-to-use, highly scalable real-time video streaming solutions for live video streaming needs. Based on customer requirements and preferences, it enables a live video streaming solution to be deployed easily and quickly on-premises or on public cloud networks such as AWS, Azure, GCP and Oracle Cloud. Ant Media’s well-known product, called Ant Media Server, is a video streaming platform and technology enabler, providing highly scalable, Ultra-Low Latency (WebRTC) and Low Latency (CMAF & HLS) video streaming solutions supported with operational management utilities. Ant Media Server in a cluster mode dynamically scales up and down to enable our customers to serve from tens to millions of viewers in an automated and controlled way. Ant Media Server provides compatibility to be played in any Web Browser. In addition, SDKs for iOS, Android, and JS are provided freely to enable customers to expand their reach to a broader audience. Thanks to the adaptive bitrate streaming feature that allows any video to be played at any bandwidth on mobile devices. Ant Media has been serving a growing number of customers in 120+ countries all around the world.

ON24 is a global leader in digital engagement sales and marketing. It delivers insights to help drive revenue growth. ON24 serves more 2,100 customers around the world, including 3 of America's 6 largest banks, 3 largest US technology companies, 3 largest US banks, 3 largest global healthcare companies, 3 largest global industrial manufacturers, and 3 largest global technology companies. ON24 offers a platform for engagement powered by AI that enables businesses to increase engagement, conversions, pipeline, and revenue growth through interactive webinars and virtual events. The ON24 Platform supports millions upon millions of professionals who engage in billions of minutes each year. ON24 has offices worldwide in North America, EMEA and APAC.

NXTPulse offers cutting-edge innovations that can elevate your business operations significantly. The platform is packed with a variety of features, including seamless integrations with Microsoft Teams, which enhance its functionality. With its extensive capabilities, NXTPulse empowers you to work flexibly from any location at any time. It is compatible with leading platforms such as Office 365 and numerous popular CRMs. Moreover, NXTPulse provides robust conference bridges, facilitating effective communication among all participants. You can rely on NXTPulse to manage your hosted voice solutions, freeing you from that responsibility. Regular updates and new features ensure that the platform remains current and effective. Strong SSL security safeguards the connection between your organization and the NXTPulse cloud, ensuring that your communications remain secure. In addition to its numerous productivity-boosting features designed to enhance customer service and operational efficiency. 3cx Integrations - AI, Microsoft Office 365, Google Workspace and more for a robust and flexible phone system tailored to your business needs. Inclusive Licensing - Benefit from included 3cx licenses, reducing additional costs. Scalable Solutions - Grow your business with scalable phone systems that adapt to your evolving needs. Fully Managed Solutions - Enjoy peace of mind with our fully managed services Amazon Web Services - Utilize the power of AWS for reliable and scalable hosting

Intradyn's email archiving solutions are trusted and reliable, safeguarding your organization in the face of potential litigation, eDiscovery requests, or Right to Know inquiries. Gain peace of mind knowing that your emails will remain secure, searchable, and readily accessible. Intradyn offers diverse, innovative archiving solutions designed to address various business challenges, from regulatory compliance to legal matters. Our versatile products cater to all industries and can be customized to suit your specific environment through different deployment options. Experience the power of comprehensive social media archiving across multiple channels effortlessly accessed through a unified interface. Our solution ensures compliance with regulatory requirements by maintaining all content in evidence quality. Capture, categorize, and index all mobile content, including MMS and SMS, empowering you to retrieve crucial information whenever needed conveniently. Real-time archiving capabilities effectively preserve all mobile communications for future reference.

Vialect has been helping companies to connect people, content and capabilities for over a decade. Noodle is an All-in-One platform that provides office staff & remote teams the ability to post ideas, create content, share schedules & have video calls all within a single secure site. On Premise and Cloud hosting available.