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Open Source Microsoft Teams Alternatives

The best open source alternative to Microsoft Teams is Element. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft Teams and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Teams are Jitsi Meet, Wire, Jami and Mattermost.

Microsoft Teams alternatives are mainly Group Chat Apps but may also be Video Calling Apps or Team Collaboration Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Microsoft Teams.
This page was last updated May 31, 2022
  • FreemiumProprietary
  • Mac
  • Windows
  • Linux
  • Android
  • iPhone
  • Windows S
  • Android Tablet
  • iPad
  • Microsoft Office 365

Microsoft Teams is the chat-based workspace in Office 365 that integrates your team's people, content, and tools to be...

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  1. Element

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Matrix.org
    • Cloudron

    Element is a secure collaboration and messaging app based on the Matrix protocol. It’s decentralised to deliver digital sovereignty, and based on an open standard for easy connections and interoperability. It is end-to-end encrypted by default.

    Element vs Microsoft Teams opinions
    Most users think Element is a great alternative to Microsoft Teams.
    chtfn

    Element has come a long way, and is now a fully-featured group chat application, with spaces (to group several rooms), numerous bridges so people are not locked in one single tool, and great integrations.

    Positive comment 8 months ago
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    1
    tutosfaciles48

    Riot.im have a lot of mods/plugins which allow us to have video calls, ldap/AD integration, ...

    Positive comment about 2 years ago
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    4
    AnisBarghouthi

    Privacy-friendly productive cross-platform client for the increasingly growing Matrix community.

    Positive comment over 1 year ago
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    0

    Clean and simple interface. Bridges is an extremely nice feature.

    Positive comment over 2 years ago
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    1
  2. Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed.

    Jitsi Meet vs Microsoft Teams opinions
    pros, cons and recent comments

    good software alternative to Meet

    Positive comment almost 2 years ago
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    1


  3. Wire

    • Free PersonalOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)

    Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.

  4. Jami

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad

    Jami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement

  5. Mattermost

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • JavaScript
    • Go (Programming Language)
    • Cloudron

    Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.

    Mattermost vs Microsoft Teams opinions
    pros, cons and recent comments

    Easy to install, free of charge and self hosted.

    Positive comment almost 2 years ago
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    1

    Mostly the same features, but self-hosted. Although less integrations in my knowledge

    Positive comment about 2 years ago
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    1


  6. Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

    Rocket.Chat vs Microsoft Teams opinions
    pros, cons and recent comments

    Open source, very powerful. Can be hosted independently on own hardware but also as-a-service. Does the exact same without limiting the user to one service provider or client.

    Positive comment over 2 years ago
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    0
  7. Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations.

    Zulip vs Microsoft Teams opinions
    pros, cons and recent comments

    The threading feature makes conversations organized, it bring the best of chat and email together

    Positive comment about 2 years ago
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    1
  8. BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.

  9. Nextcloud Talk

    • Free PersonalOpen Source
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Nextcloud

    Nextcloud Talk is a fully self-hosted audio/video and chat communication service. It features web and mobile apps and is designed to offer the highest degree of security while being easy to use.

  10. Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.

Showing 10 of 49 alternatives