# Best Open Source Team Chat Software

Compare the best open source team chat software, including Mattermost, Rocket.Chat, Zulip, Twist, Slack, Microsoft Teams, Discord, and Google Chat.

The best open source team chat software should give teams more control over communication workflows, hosting posture, data ownership, and extensibility than closed chat platforms.

## Ranked Tools

1. **Mattermost** — Team messaging and collaboration software — https://shipboost.io/tools/mattermost
2. **Rocket.Chat** — Team messaging and collaboration software — https://shipboost.io/tools/rocket-chat
3. **Zulip** — Team messaging and collaboration software — https://shipboost.io/tools/zulip
4. **Twist** — Team messaging and collaboration software — https://shipboost.io/tools/twist
5. **Slack** — Team messaging and collaboration software — https://shipboost.io/tools/slack
6. **Microsoft Teams** — Team messaging and collaboration software — https://shipboost.io/tools/microsoft-teams
7. **Discord** — Business software for modern teams — https://shipboost.io/tools/discord
8. **Google Chat** — Team messaging and collaboration software — https://shipboost.io/tools/google-chat

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Source: https://shipboost.io/best/open-source-team-chat-software
Markdown: https://shipboost.io/best/open-source-team-chat-software.md