Best Communications Software for Linux

T-Mobile for Business provides next-level enterprise network solutions on America's Best Network* to supercharge your business. SuperMobile is the first and only business plan to elevate your critical communications with performance that intelligently adapts to your needs in real time, even in times of high demand, powered by the first-ever nationwide network slice for business. Plus, get cutting-edge privacy protections and robust encryption to keep your communications secure. SuperBroadband delivers unbreakable connectivity nationwide, with unmatched coverage reaching every ZIP code in the U.S., including remote areas where legacy networks simply can't go. Stay online through virtually all outages and manage your connection needs through one contract with managed installation and end-to-end support. For tailored industry solutions, T-Mobile for Business provides right-sized solutions tailored to your industry, enabled by the leader in 5G. T-Mobile for Business meets you where you are at, and allows you to scale and future-proof your business needs. Core Infrastructure also includes backup connectivity options including dual-network redundancy, fixed wireless failover, and resilient LTE/5G backup for uninterrupted operations. Keep your business protected with T-Mobile for Business' enterprise cybersecurity solutions, with strong encryption, secure network design, and continuous threat monitoring. T-Mobile for Business uses a Zero Trust architecture, encrypted data in transit and at rest, multi-factor authentication, and 24/7 security operations to help ensure the confidentiality and integrity of your business communications. T-Mobile Business Internet offers seamless cloud integration with existing IT infrastructure, enabling secure connectivity to public and private cloud platforms, SaaS resources, and other business applications. Businesses can use T-Mobile-supplied routers or compatible BYOD devices (with support for static IP on select models), and benefit from standard network connectivity over Wi-Fi and Ethernet. Optional features such as Secure Access Service Edge (SASE) enhance cloud integration by providing advanced security for cloud-based traffic. Portal-based management and API integration are available for network and IoT environments. *Best Mobile Network in the U.S. based on analysis by Ookla® of Speedtest Intelligence® data 2H 2025.

OptiSigns is all about making it easy for you to connect with your audience. We're top-notch at what we do - providing digital signage that catches people's attention. 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 a software-based, open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry 3CX can accommodate every need; from mobility and status to advanced contact center features and more, at a fraction of the cost. Ideal for companies working remotely, 3CX includes mobile apps, video conferencing and website live chat. Installation, management and maintenance of the PBX is so easy that you can effortlessly manage it yourself, whether on an appliance or server at your premise on Windows, Linux or in the cloud. Alternatively you can choose to have it hosted by 3CX for a completely hassle-free solution.

Google Workspace with Gemini integrates premium AI into Gmail, Docs, Drive, Meet, and more, helping businesses work smarter, not harder. Draft emails faster, generate ideas, and summarize documents effortlessly with AI-powered assistance. Manage tasks, schedule meetings, and stay organized across devices with seamless collaboration tools. Whether you're handling client communications, creating content, or running daily operations, Workspace helps businesses stay productive and focused. Workspace provides companies with professional branding (e.g., name@yourcompany), pooled cloud storage, and strict data privacy, ensuring your business data belongs entirely to you and is never used for advertising purposes. Gemini, Google’s most powerful AI, is now seamlessly integrated into the apps you already use. Instead of juggling fragmented apps, Workspace offers a unified, highly productive environment. Save 25% today on any plan (Starter, Standard, or Plus) for your first 3 months by clicking "Save 25%" above!

PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Since 2004, PBXware has deployed flexible, reliable, and scalable Next Generation Communication Systems and VoIP solutions to Small and Medium sized Businesses (SMBs), enterprises, Internet Telephony Service Providers (ITSPs), Call Centers and governments worldwide by combining the most advanced of the latest technologies. Bicom Systems’ softswitch is offered in Business, Contact Center and Multi-Tenant Editions, each supporting specific features maximizing performance, reliability, and expandability.

WebCatalog Desktop is our flagship product, built alongside Singlebox, a privacy-first multi-account browser, and Switchbar, a smart link handler that lets you choose which browser or profile to open links in—bringing even more flexibility and control to your digital workspace. WebCatalog Desktop is an all-in-one platform designed to help professionals and teams organize and manage all their web apps and accounts on Windows and macOS. It lets you transform any website into a standalone desktop app, eliminate browser tab overload, and easily switch between multiple accounts for the same service without constant logins. Each app runs in its own secure sandbox, safeguarding your data and preventing cross-site tracking. With unified notifications, customizable layouts, workspace grouping, and cross-platform sync, WebCatalog Desktop delivers a seamless, organized, and distraction-free digital workflow.

Focusing on delivering "Easy-first Unified Communications", Yeastar P-Series Phone System offers companies of all sizes with a complete package for calls, video, messaging, and integrations, out of the box. With in-built visual call management, integrated video conferencing, advanced contact center features, and ready-made SMS, WhatsApp, Microsoft Teams, CRMs, and more platform integrations, P-Series boosts productivity at all levels and provides everything across desktop, mobile, and browser with simple user apps. Available in the Appliance, Software, and Cloud Editions, P-Series provides flexible deployment options, allowing you to have it sited on-premises or in the cloud. Balancing costs and future growth, it requires a lower total cost of ownership, less training, and fewer management efforts. The ease of use and future-proof adaptability are paramount.

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.

Shape is purpose-built sales and marketing automation software that comes with pre-built features that can be configured for any business. The easy-to-use interface empowers your teams and consolidates all aspects of your business in one AI platform. Shape provides a collaborative space for your teams to stay aligned and efficient in everything they do, whether it's streamlining your sales pipeline, engaging more prospects with marketing sequences and digital ads, nurturing customer relationships, communicating seamlessly, or tracking projects. Start growing your revenue with Shape's suite of services today.

Odoo is a fully integrated, customizable, open-source software packed with hundreds of expertly designed business applications. Odoo’s intuitive database is able to meet a majority of business needs, such as: CRM, Sales, Project, Manufacturing, Inventory, and Accounting, just to name a few. Odoo is an all-in-one software solution designed to meet the needs of companies, regardless of their size (or budget). The unbeatable, seamless nature of Odoo helps businesses become more efficient by reducing redundant manual processes, which helps companies save countless hours of labor. Every module is interconnected to provide a fully-integrated experience from app to app, and users can automate many processes that would’ve otherwise required manual inputs into multiple applications. Odoo keeps all business functions in one place, allowing teams to collaborate with other departments from one unified platform in the most efficient way possible.

EventsAir is a comprehensive, all-in-one event management platform. With over 30 years of expertise, EventsAir has powered 350,000+ successful, complex events, earning the trust of the industry's best to deliver seamless, standout experiences. Our feature-packed, cloud-based platform provides all the tools and technology event planners need to execute engaging in-person, virtual, and hybrid events from start to finish.  Flexibility is at the heart of EventsAir's design, ensuring it scales and transforms effortlessly to cater to the diverse needs of events, delivering an experience that's tailor-made for everyone involved. From built-in budgeting and accounting tools to breathtaking on-brand event sites, seamless registration experiences, and even mobile event apps that can be published in minutes, EventsAir truly makes event planning a breath of fresh...air.   At EventsAir, we stand as a dedicated technology partner.

HiveMQ is the Industrial AI Platform helping enterprises move from connected devices to intelligent operations. Built on the MQTT standard and a distributed edge-to-cloud architecture, HiveMQ connects and governs industrial data in real time, enabling organizations to act with intelligence. With proven reliability, scalability, and interoperability, HiveMQ provides the foundation industrial companies need to operationalize AI, powering the next generation of intelligent industry. Global leaders including Audi, BMW, Eli Lilly, Liberty Global, Mercedes-Benz, and Siemens trust HiveMQ to run their most mission-critical operations.

Adversus is an outbound dialing solution that helps you streamline your call strategies, automate manual processes, and provide valuable insights to improve your outbound workflows and efficiency. Adversus was born in 2015 after our founders experienced a lack of flexibility with the solution they worked with. The dream was to build an outbound solution that would change the game․ We believe in user-driven innovation, and we acknowledge that every single user has different needs and demands. We provide a solution that incorporates flexibility and customization to every aspect of the workflow. At Adversus, our primary focus is to have a future-proof solution that never falls behind. We do not just want to adapt to the market but instead push the boundaries of what is possible. Adversus is used by businesses in a wide range of industries, with the common goal to make their outbound call activities more efficient. The size ranges from one to several hundred end-users.

SurveyJS is an embeddable, self-hosted, white-label form builder for teams building custom forms, surveys, questionnaires, and other data collection tools inside web applications. It runs entirely on the client and is fully compatible with all modern JavaScript frameworks, including React, Angular, and Vue. SurveyJS integrates with any backend, giving you full control over data, security, user access, deployment, and business logic. Instead of hardcoding forms, you can empower non-technical users to generate and edit JSON schema-based form configurations through a drag-and-drop form builder. Create dynamic forms with custom conditional logic, validation, multilingual support, PDF export, and analytics. Ideal for SaaS, enterprise software, HR, healthcare, fintech, and other regulated industries, SurveyJS helps teams reduce engineering effort, standardize data collection, maintain full control over data, and deliver unlimited forms that match their brand and feel native to users.

Rise Vision is the all-in-one platform for digital signage, screen sharing, and emergency alerts designed to help organizations communicate, teach, collaborate, and improve safety. The cloud-based system integrates digital signage, interactive digital signage, screen sharing, and emergency alerts, making it an ideal choice for organizations looking to streamline their visual communication efforts. With its easy-to-use software and world-class support, Rise Vision caters to a diverse range of industries and applications. Key features of Rise Vision include over 750 professionally designed templates that allow users to quickly create engaging content without the need for extensive design skills. Users can also use the AI presentation design and editing tool that's the fastest way to turn an idea in your head into engaging digital signage. The platform supports a wide range of hardware, enabling users to either utilize recommended hardware or integrate their existing technology.

Build the forms, portals, documents, eSignatures, surveys, and workflows your business needs while keeping Salesforce at the center of it all. Titan brings these experiences into a single Salesforce-first platform, with data connected to Salesforce in real time rather than creating another place for it to live. Give customers, partners, and employees secure ways to interact with Salesforce. Collect and update information through dynamic forms, build branded portals, generate documents from Salesforce data, collect signatures, run surveys, and automate complex business processes. For forms and portals, Titan AI Studio gets you to a strong first version faster. Describe what you need in plain language and Titan creates the structure, fields, styling, and Salesforce mapping. Then refine the details in the visual builder. Titan AI understands your Salesforce data model, including objects, fields, and relationships, without accessing sensitive Salesforce record data. You get AI-assisted speed while staying in control of what gets built and how it works. Experience Studio and Document Studio bring these capabilities together, giving Salesforce teams one platform to build and manage customer-facing experiences, documents, and business processes.

If you’ve ever dealt with slow VPNs, or clunky ZTNA agents that degrade app performance, you’re not alone. Many IT teams are stuck balancing security with usability—and often end up sacrificing both. Here is a different approach. The high-performance ZTNA service that is part of a personal SASE solution from Cloudbrink can upgrade or replace traditional VPNs while fixing the performance and complexity that come from other vendors in the ZTNA and SASE space. Built as a software-only service, Cloudbrink delivers sub-20ms latency and 1Gbps+ speeds per user using dynamically deployed FAST edges and a proprietary protocol that recovers packet loss before it impacts the app. Security isn’t bolted on—it’s built in. With mutual TLS 1.3, short-lived certs, and no exposed IPs, Cloudbrink provides real zero trust without making users suffer through poor connections or overloaded POPs. If you’ve been burned by “next-gen” solutions that still feel like 2008, it might be time for something new.

ADManager Plus is a simple, easy-to-use Windows Active Directory (AD) management and reporting solution that helps AD administrators and help desk technicians in their day-to-day activities. With a centralized and intuitive web-based GUI, the software handles a variety of complex tasks like bulk management of user accounts and other AD objects, delegates role-based access to help desk technicians, and generates an exhaustive list of AD reports, some of which are an essential requirement to satisfy compliance audits. This Active Directory tool also offers mobile AD apps that empower AD admins and technicians to perform important user management tasks, on the move, right from their mobile devices. Create multiple users and groups in Office 365, manage licenses, create Exchange mailboxes, migrate mailboxes, set storage limits, add proxy addresses, and more.

HIPAA compliant secure faxing built exclusively for healthcare. Medsender integrates with dozens of top EMR / EHR systems and provides everything you need out of the box to view, sign, edit, and upload documents to your EMR system. Medsender's optional automation feature can also automatically label incoming faxes and upload them to the corresponding patients' chart in your EMR, saving several hours of manual work each day. You can keep your existing fax numbers and / or get new fax numbers from Medsender. Free trial available, no contracts and no commitments. Medsender integrates instantly with your EMR so your patient records and documents are always up-to-date.

Our autodialer software are used for automating sales calls, payment collections, appointment reminders, phone polling and market research. It can also be used for mass emergency voice broadcasting. The system is ideal for Telcos and companies selling callcenter services as it is multi-tenant with billing and white-labeled while being economical to run as you choose your own Voice Provider. Our autodialer software can massively increase productivity by dropping busy, unanswered and disconnected line, passing calls answered by real people back to your agents, and leaving messages on answering machines.

LogMeIn Rescue is an enterprise remote support solution for PCs, Macs, and mobile devices, designed to help IT teams deliver fast technical assistance while ensuring secure, reliable sessions for both technicians and end users. Built for small IT helpdesks through to large enterprise organizations, LogMeIn Rescue provides the flexibility needed to remotely support employees and customers and to effectively enable remote work. LogMeIn Rescue supports seamless access across major platforms and incorporates strong security measures such as permission-based controls, PIN code validation, and 256-bit AES encryption. Its centralized admin console offers streamlined oversight with features like session recording and real-time monitoring, while branding options help organizations tailor the support experience. Trusted globally with over one billion remote sessions, LogMeIn Rescue helps IT teams resolve issues quickly and maintain efficient, high-quality support operations.

Brosix Instant Messenger (IM) supports businesses to streamline and secure their team communication through private team communication networks. Brosix provides businesses with all of the tools they need to increase team productivity in one user friendly and fully encrypted platform, including file transfer, screen sharing, group and private chat, virtual whiteboard and more. Brosix IM’s private networks help businesses to increase team collaboration and efficiency, reduce overhead, and guarantee data privacy. Team networks take just minutes to set up, so businesses can immediately begin reaping the benefits of their all-in-one, and fully administrable communication network.

VirtualPBX gives small businesses a complete, high-powered cloud phone system for $15/user/month with every single feature already included. One simple plan. No contracts. No feature gates. Zero surprises. Just smarter voice for your business—whether your team is at a desk, on the road, or working from home. Deploy AI FrontDesk whenever you're ready for intelligent 24/7 call handling, and scale into advanced messaging tools as your business grows. As the pioneers who invented cloud telephony in 1997, we back every account with expert, U.S.-based human support from people who genuinely understand small business. Because having the right technology is important—but having the right team behind it levels the playing field.

Take back control of your inbox. InMoat lets you select the types of emails that are important to you so that you never miss a beat! Smart Filters that you select will always be prioritized and sent to your Inbox. Your VIP List of Contacts Emails from within your organization such as your boss and colleagues are always going to be prioritized by default. InMoat lets you keep your Trusted Contact list up-to-date so that you can ensure your VIP list of contacts is always prioritized in your inbox. Your @InMoat Folder Review the non-so-urgent and less-important emails when it is convenient for you — so you're not wasting time in the middle of your workflow. Review all of your other emails in your @InMoat folder to be reviewed whenever you want. Your InMoat Dashboard Keep your inbox up-to-date by managing your email priorities from your InMoat dashboard. Review your suggested contacts to add to your Trusted list, update your Trusted Contacts, and update your Smart Filters.

Communique (founded 2001) is an all-in-one webinar, virtual event platform & hybrid event platform that helps organizations host amazing events and conferences. Features include; Personal Agenda, AI Matchmaking, Networking, Content Suggestions, Meeting Scheduling, Breakout Rooms, Briefcase, Text & Video Chat, Gamification with Leaderboard, Webinar Sessions, Q&A, polls, surveys, live day broadcast messages, language translation, social media wall, photo booth and more.

Unlimited Calling - FREE TRIALS T-Max Predictive Dialer, an inbound and outbound CRM dialing system, is ideal for debt collections, marketing, and sales teams. With T-Max Predictive Dialer, users can reach as many live contacts as possible at one time by dialing up to five numbers at once. T-Max Predictive Dialer's automated system enables users to reduce the time to take on busy signals, wrong numbers, or no answers and instead aim to connect all receivers to a live agent at first contact. Managers can use monitoring to listen to agent calls, barge in or take over calls for QA or to help close the call. If you need a hosted auto dialer VOIP phone system with power dialer, preview dialer, sip phone, webphone, voicemail drops, local caller ID, call center, text to speech, and telemarketing capabilities We also have Voice Broadcasting Auto Dialer Trials. Compatible with ANY CRM including Salesforce, Zoho, & Monday

Tatsoft's FrameworX is a complete SCADA and IIoT platform for edge-to-enterprise industrial applications. It unifies operations, data, and AI under one scalable, .NET-based architecture. FrameworX includes AI Designer, built on the Model Context Protocol (MCP). Through 18 specialized MCP tools, AI works directly inside the Designer IDE in real time, configuring tags, alarms, historian, devices, displays, and scripts in one session. Engineers report 2x to 10x faster configuration. Works natively with Claude, GitHub Copilot, Cursor, and any MCP-compatible model. The platform includes real-time data modeling, historian, alarms, reports, audit trails, scripting in C#, VB.NET, JavaScript, and Python, plus 100+ native drivers for PLCs, DCS, OPC, and MQTT. Deploy anywhere with zero client installs and full web, mobile, and desktop access. Every module included from day one. Proven in 5,000+ global deployments across mission-critical industries.

Rambox is a digital workspace organizer that boosts productivity for professionals who use web apps frequently. It centralizes all your apps, making it easy to organize and access frequently used applications in one place. With over 700 pre-configured apps, including Gmail, WhatsApp, Facebook, iCloud, and more, you can instantly add them to your workspace. And if your app isn't listed, no problem - you can add any custom app in a few easy steps. Rambox synchronizes app configurations and can disable notifications across all devices in the user dashboard, automatically hibernating inactive apps to free up memory. Plus, users can apply CSS styling and JS code to improve each app's design and performance. Other features include: dark mode, do not disturb mode, spell checking, ad blocking, password management, notification management, and keyboard shortcuts.

What is Talkroute? Talkroute is a UCaaS provider that gives you the ability to utilize your existing phones, web browser, and PCs with our cloud-based virtual phone system. Now you can have the power of an enterprise-level phone system without the upfront cost and maintenance of an expensive on-site system. Making and receiving business calls Our virtual phone system gives you the ability to make & receive calls from any desktop, browser, and smartphone. Texting with your customers Send and receive business SMS and MMS text messages. Our apps make it quick and easy to compose and reply to your customers. Video meetings with your team Video conferencing with up to 100 team & guest participants. Talkroute Meetings gives you the power to record meeting sessions, share your screen, chat via team messenger, collaborate using our whiteboard, & share files.

Simplify your event workflows by unifying multiple tools for exceptional attendee experiences and insights. Choose some, or all modules that are relevant for you to create your ultimate event experience ⚡️ Create custom registration flows and complex branching with our flexible registration and ticketing system ⚡️ Treat your speakers and exhibitors like royalty with a streamlined portal experience ⚡️ Create 100% customizable and brandable event apps ⚡️ Integrated onsite solutions that make check-in, badging, scanning and tracking quick and effortless ⚡️ Setup real-time alerts for sales and marketing teams. Run faster follow-ups with native integrations to MAPs and CRMs