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Instant Messaging & Chat Software for Linux

Last updated: February 2026

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57 software options

Axero logo

Axero

Category Leaders

Intranet software and collaboration solutions.

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Axero provides easy-to-use instant messaging and chat software that boosts productivity, unifies your people, and helps your company thrive. Increase productivity. Unite employees. Improve culture.

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Staffbase logo

Staffbase

The first AI-native employee experience platform

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Staffbase is the first AI-native Employee Experience Platform that connects Comms, HR, and IT to deliver trusted, personalized experiences for every employee, on every channel.

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GoTo Meeting logo

Online meeting software with HD video conferencing

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GoToMeeting is an IM & chat tool that allows users to host an online meeting with high-definition video conferencing from their Mac, PC, iPad, iPhone or Android device, with up to 250 participants. Users can meet, screen share and chat via internet browser, mobile or desktop application.

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Telegram logo
Category Leaders

Cloud-based mobile and desktop messaging app for all devices

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Telegram Messenger is a cloud-based mobile and desktop messaging platform supported by native apps on most popular operating systems and devices, allowing users or user groups to connect and conduct voice calls, send messages, multimedia and files of all types across an end-to-end encrypted service

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monday.com logo

Project management software

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monday.com is a cloud-based Work OS, where teams create workflow apps in minutes to run their processes, projects, and everyday work. Teams shape workflows and projects, code-free, with a platform that adapts to shifting needs, liberates teams from manual grunt work, and connects teams in a collaborative work space.

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ClickUp logo

Productivity platform for marketing agencies

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ClickUp is a productivity platform that helps businesses combine project management tools, AI capabilities, and collaboration features in a unified workspace. The system can integrate tasks, documents, goals, and chat functionality while offering AI-based agents that automate workflows and answer questions. ClickUp serves teams across various departments with enterprise-grade security certifications including SOC 2 Type II, ISO 27001, GDPR, and HIPAA compliance.

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Webex Suite logo

One app for everything. And everyone.

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Webex brings together Calling, Meeting and Messaging modes of collaboration into a seamless, engaging, inclusive and intelligent experience.

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ScreenConnect logo
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Remote meeting platform for resolving customers' queries

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ScreenConnect is a help desk solution that allows businesses to detect and resolve customer queries through remote monitoring capabilities. Agents can prevent potential cyberthreats & protect data via features such as AES-256 encryption and two-factor authentication.

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Zoho Meeting logo
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Web conferencing tool to host online meetings and webinars.

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Use Zoho Meeting's built-in instant messenger tool to send instant chat messages to meeting participants during web conferences

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Bitrix24 logo

All in one business management workspace

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Find your colleagues quickly in address book. See if they are available, busy or absent with the help of online indicator. Use group chat. View chat history.

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3CX logo

Web & mobile-based (Android, iOS) communications system.

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With 3CX’s integrated live chat feature your website and Facebook page visitors are able to start a chat or call in real-time. Your agents can answer them immediately from their 3CX web client or app. If chat is not enough, they can switch to a call or video in a single click.

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Talkspirit logo
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#1 software for collaboration and team communications

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Talkspirit is the #1 software for collaboration and team communication that makes your employees more productive. Perfect for remote-work. Available in 8 languages. Easy to use. On any device. Free trial. Free plan. Paid plans from 4€ / month per user.

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Taskworld logo

Collaborative project management with built-in chat

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Taskworld is a cloud-based project and task management application which combines visual task boards, private & group messaging, project analytics, and more

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Clinked logo

White-label Client Portal & Collaboration Software

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Clinked is a cloud-based client portal & collaboration software. Allow clients, internal teams and project groups to efficiently work within branded, secure and intuitive workspaces. Increased brand recognition and productivity of Clinked will drive client retention and setup apart from competition.

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Blink logo
Category Leaders

Blink. And connect your people, tools and culture.

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Blink delivers a modern, social digital employee experience, giving access to communication, information, workflows, surveys and tools in one easy-to-use app.

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Mattermost logo

Open source workplace messaging for web, PCs & phones

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Mattermost is an open source workplace messaging system for web, PCs & phones, that supports 1-1 & group messaging, file sharing, multiple languages, & more

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eXo Platform logo

Digital Workplace Software

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Improve team collaboration and exchange information fast and conveniently through instant messaging.

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get.chat logo

Shared Team Inbox Solution for WhatsApp Business API

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get.chat is a Shared Team Inbox Solution for WhatsApp Business API that enables multi-user and multi-device access and it also enables multiple endpoints to integrate it with your CRM, Chatbot, or Ticketing service.
Powered by the official WhatsApp Business API from 360dialog.

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Zoho Cliq logo

Cloud-based software for team collaboration & communication

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Zoho Cliq is a secure team communication software that organizes conversations, workflows, and meetings in one place to boost productivity. With features like video conferencing, custom messaging channels, and seamless integrations, Zoho Cliq enables effective collaboration from anywhere, streamlining workflows for teams of all sizes.

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MangoApps logo

Bring your frontline and office teams together

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MangoApps is a unified employee experience platform that serves as a bridge between your desk and deskless workers. We combine intranet, communication, collaboration, and training into a single user-friendly workspace.

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Rocket.Chat logo

The Leading Enterprise Communication Hub

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Bring messages, video calls, file sharing and all team communication into one place and boost your business efficiency. Empower your team to work quicker with real-time text messages. Control permissions, audit previous messages and never miss information again with the saved chat history.

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Beekeeper logo

The Essential Platform for Frontline Workers

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Peer to peer secure chat messenger. Work better together with secure and organized communication channels to message any employee in real time.

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Brosix logo

Secure instant messenger for teams and businesses

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Secure instant messaging software for business communication providing a private team network with many control features.

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Bria logo

VoIP communication and collaboration management solution

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Bria is a cloud-based and on-premise VoIP solution that helps businesses manage communication & collaboration via messaging, file sharing, video conferencing & more. The white-label capabilities help organizations design a personalized softphone using custom logos, themes, colors, and configuration.

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Trillian logo

Modern and secure messaging for business and healthcare

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Trillian is a cloud-based solution designed to help businesses in the healthcare sector manage processes for instant messaging to improve internal communication. Trillian lets users manage group chats, sorted by teams or department, & share information about patient status, staff rotations, & more.

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