Open Source Team Chat Apps
Discover the best open source team chat apps for real-time communication, collaboration, and project management. Enhance your team's productivity!
Apps in Team Chat
Element Web
Collaboration · Team Chat
A polished, self-hostable Matrix client for secure, decentralized messaging and collaboration that puts your organization in full control of its data.
Jitsi Meet
Collaboration · Team Chat · Video Conferencing
Open-source, end-to-end encrypted video conferencing you can self-host or embed into any web or mobile app.
Mattermost
Collaboration · Devops · Team Chat
Open core, self-hosted team collaboration with chat, AI agents, voice calling, and deep DevOps integrations — all under your control.
Rocket.Chat
Team Chat
The secure, self-hosted team communications platform for organizations that cannot compromise on data sovereignty.
Wire
Collaboration · Team Chat · Video Conferencing
Open source end-to-end encrypted messaging for teams and enterprises — self-host for complete control over your communications and data.
Huly Platform
Collaboration · Project Management · Team Chat
Open-source all-in-one workspace that replaces Linear, Jira, Slack, and Notion for product and engineering teams.
Colanode
Collaboration · Knowledge Management · Team Chat
Local-first, self-hosted workspace that combines real-time chat, Notion-style pages, and structured databases — all synced via CRDTs so you work offline without losing a keystroke.
About Team Chat
Team Chat platforms are essential for modern organizations, providing a centralized hub for instant messaging, file sharing, and project discussions. These solutions go beyond basic chat functionality to streamline workflows and improve team productivity.
Typical features include direct messaging, public channels organized by topic, thread replies for focused conversations, and robust search capabilities to quickly find information. Many platforms also offer advanced functionalities like video conferencing, screen sharing, and integrations with other development tools.
The value of a Team Chat solution lies in its ability to reduce email overload, accelerate decision-making, and foster a more connected team environment. They are crucial for remote teams, distributed organizations, and any group needing quick and efficient communication. Furthermore, open-source options provide greater control over data privacy and customization to suit specific organizational needs.