Open Source Microsoft Teams AlternativesGroup Chat & Video Calling Apps like Microsoft Teams

Alternatives list

1. 

   

   Element

    844 likes

   Provides secure collaboration with end-to-end encryption, supporting chat, voice, and video calls. Available on all major platforms, it enables digital sovereignty with a decentralized design and interoperability through bridges to systems like Slack and Teams. Includes enterprise-grade SaaS.

   357 Element alternatives

   Cost / License

   • Free Personal
   • Open Source (AGPL-3.0)

   Application typeApplication types

   • Instant Messenger
   • Video Calling

   Origin

   • United Kingdom

   Platforms

   • Mac
   • Windows
   • Linux
   • Online
   • Android
   • iPhone
   • Android Tablet
   • iPad
   • Self-Hosted
   • Snapcraft
   • Matrix.org
   • Flathub
   • F-Droid
   • Cloudron
   • OpenAPK

   • United Kingdom

   

   

   

   +3

   

   More about Element  

   

   Good alternative?Is Element a good alternative to Microsoft Teams?

    

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   4comments

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   Element vs Microsoft Teams Comments

   Positive comment by chtfn · Nov 6, 2021

   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 by tutosfaciles48 · Jun 19, 2020

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

   Positive comment by Guest · Jan 31, 2020

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

   3 of 4 comments

   

   

   • Element is Free Personal and Open SourceMicrosoft Teams is Freemium and Proprietary
   • Element is an Instant Messenger Microsoft Teams is a Group Chat App
   • Element is Decentralized, Privacy focused and LightweightMicrosoft Teams is not according to our users
2. 

   

   Jitsi Meet

    293 likes

   Open-source video conferencing platform with encryption by default, up to 75 participants, live group chat, HD audio, screen and document sharing, Etherpad editing, mobile and browser support, custom deployment options, privacy-first features, and community-driven development.

   179 Jitsi Meet alternatives

   Cost / License

   • Free
   • Open Source (Apache-2.0)

   Application typeApplication types

   • Video Calling
   • Group Chat

   Origin

   • United States

   Platforms

   • Online
   • Android
   • iPhone
   • Android Tablet
   • iPad
   • Self-Hosted
   • Apple Watch
   • F-Droid

   • United States

   

   

   

   More about Jitsi Meet  

   

   Good alternative?Is Jitsi Meet a good alternative to Microsoft Teams?

    

   |

   2comments

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   Jitsi Meet vs Microsoft Teams Comments

   Positive comment by Nicolas · Jul 31, 2024

   No account required, end-to-end encryption, open source... All good reasons to be happy with Jitsi

   Positive comment by Guest · Aug 25, 2020

   good software alternative to Meet

   2 of 2 comments

   

   

   • Jitsi Meet is Free and Open SourceMicrosoft Teams is Freemium and Proprietary
   • Jitsi Meet is a Video Calling Microsoft Teams is a Group Chat App
   • Jitsi Meet is Privacy focused, Security-focused and LightweightMicrosoft Teams is not according to our users
4. 

   

   Jami

    248 likes

   Open source decentralized communication platform supporting secure end-to-end encrypted calls, messaging, group conferencing, file and media sharing, SIP compatibility, multi-device sync, and strong privacy, available across desktop and mobile systems.

   184 Jami alternatives

   Cost / License

   • Free
   • Open Source

   Application typeApplication types

   • Instant Messenger
   • Video Calling

   Origin

   • Canada

   Platforms

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

   • Canada

   

   

   

   +9

   

   More about Jami  

   

   Good alternative?Is Jami a good alternative to Microsoft Teams?

    

   |

   1comment

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   Jami vs Microsoft Teams Comments

   Positive comment by Guest · Dec 11, 2024

   Works as long as there is a connection between the parties as peer-to-peer.

   1 of 1 comments

   

   

   • Jami is Free and Open SourceMicrosoft Teams is Freemium and Proprietary
   • Jami is an Instant Messenger Microsoft Teams is a Group Chat App
   • Jami is Decentralized and Privacy focusedMicrosoft Teams is not according to our users
5. 

   

   Wire

    334 likes

   Secure communication platform featuring encrypted chats and calls, file and media sharing, self-deleting messages, device verification, group collaboration, and customizable settings. Supports use across multiple devices with no phone number required for access.

   306 Wire alternatives

   Cost / License

   • Free Personal
   • Open Source (GPL-3.0)

   Application typeApplication types

   • Instant Messenger
   • Video Calling

   Origin

   • Switzerland

   Platforms

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

   • Switzerland

   

   

   

   More about Wire  

   

   Good alternative?Is Wire a good alternative to Microsoft Teams?

    
6. 

   

   Zulip

    276 likes

   Threaded group conversations combine live and asynchronous messaging, separating topics for organized collaboration, supporting open-source, cloud, and self-hosted deployments, secure communication with encryption, and multi-platform access for diverse teams.

   253 Zulip alternatives

   Cost / License

   • Free Personal
   • Open Source (Apache-2.0)

   Application typeApplication types

   • Instant Messenger
   • Group Chat

   Origin

   • United States

   Platforms

   • Mac
   • Windows
   • Linux
   • Online
   • Android
   • iPhone
   • Android Tablet
   • BSD
   • iPad
   • Self-Hosted
   • F-Droid

   • United States

   

   

   

   +4

   

   More about Zulip  

   

   Good alternative?Is Zulip a good alternative to Microsoft Teams?

    

   |

   10comments

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   Zulip vs Microsoft Teams Comments

   Top Positive Comment by Geobomatic · Oct 31, 2025

   Zulip approach instant messaging in an innovative way, a hybrid between pure IM and old fashioned forum. It helps keeping the messages organized and not jumble around many discussion in the same flow

   Positive comment by Nakul Verma · Jan 29, 2026

   Zulip is a very good free and open source software that helps people to conversation to each other on random and some important topics separately. A usercan see who is online or ofline at the real time that is awesome.

   Positive comment by JonasF · Nov 21, 2025

   Superior to Teams in terms of performance and most importantly because of the Threading model, which allows asynchronous parallel collaboration on multiple issues.

   3 of 10 comments

   

   

   • Zulip is Free Personal and Open SourceMicrosoft Teams is Freemium and Proprietary
   • Zulip is an Instant Messenger Microsoft Teams is a Group Chat App
   • Zulip is Privacy focused and LightweightMicrosoft Teams is not according to our users
8. 

   

   Proton Meet

    34 likes

   Provides secure end-to-end encrypted video calls with privacy features such as background blur, noise reduction, and meeting locks, supports up to 50 free participants, guest links, ad-free use, seamless calendar integration, and multi-device access.

   Cost / License

   • Freemium
   • Open Source (GPL-3.0)

   Application typeApplication types

   • Video Calling
   • Web Conferencing

   Origin

   • Switzerland

   Platforms

   • Mac
   • Windows
   • Linux
   • Online
   • Android
   • Android Tablet

   • Switzerland

   

   

   More about Proton Meet  

   

   Good alternative?Is Proton Meet a good alternative to Microsoft Teams?

    
9. 

   

   Element X

    51 likes

   It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.

   140 Element X alternatives

   Cost / License

   • Free
   • Open Source (AGPL-3.0)

   Application typeApplication types

   • Instant Messenger
   • Video Calling

   Origin

   • United Kingdom

   Platforms

   • Android
   • iPhone
   • Android Tablet
   • iPad
   • Android Auto
   • OpenAPK

   • United Kingdom

   

   

   

   More about Element X  

   

   Good alternative?Is Element X a good alternative to Microsoft Teams?

    
10. 

    

    Rocket.Chat

     163 likes

    Open-source chat server supporting real-time group, direct, and private messaging, video calls, file sharing, helpdesk chat, API integrations, desktop notifications, emojis, LDAP authentication, cross-platform apps, and customizable extensions for teams.

    169 Rocket.Chat alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application typeApplication types

    • Group Chat
    • Instant Messenger

    Origin

    • United States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Cloudron

    • United States

    

    

    

    +5

    

    More about Rocket.Chat  

    

    Good alternative?Is Rocket.Chat a good alternative to Microsoft Teams?

     

    |

    1comment

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    Rocket.Chat vs Microsoft Teams Comments

    Positive comment by Guest · Mar 20, 2020

    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.

    1 of 1 comments

    

    

    • Rocket.Chat is Freemium and Open SourceMicrosoft Teams is Freemium and Proprietary
11. 

    

    Quiet Chat

     22 likes

    Peer-to-peer group chatting over Tor and IPFS, with local-first encrypted messaging and no central servers, offers privacy-focused decentralized collaboration for teams, supporting desktop and mobile. FOSS, open to contributors, and avoids surveillance-based tracking.

    79 Quiet Chat alternatives

    Cost / License

    • Free
    • Open Source (GPL-3.0)

    Application typeApplication types

    • Group Chat
    • Encrypted Chat

    Origin

    • United States

    Platforms

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

    • United States

    

    

    More about Quiet Chat  

    

    Good alternative?Is Quiet Chat a good alternative to Microsoft Teams?

     
12. 

    

    BigBlueButton

     88 likes

    BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.

    115 BigBlueButton alternatives

    Cost / License

    • Free
    • Open Source (LGPL-3.0)

    Application typeApplication types

    • Web Conferencing
    • Video Calling

    Origin

    • United States

    Platforms

    • Linux
    • Online
    • iPhone
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    • Ubuntu Server

    • United States

    

    

    

    +1

    

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13. 

    

    Buzz

     6 likes

    Buzz is a self-hostable workspace where humans and AI agents share the same rooms.

    64 Buzz alternatives

    Cost / License

    • Free
    • Open Source (Apache-2.0)

    Application typeApplication types

    • Group Chat
    • Video Calling

    Origin

    • United States

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
    • AppImage
    • iPhone

    • United States

    

    

    

    +1

    

    More about Buzz  

    

    Good alternative?Is Buzz a good alternative to Microsoft Teams?

     
14. 

    

    Infomaniak kMeet

     25 likes

    Encrypted video meetings with unlimited participants, screen sharing, recording with secure storage, no data sale or registration, chat, reactions, calendar and background features, hosted entirely in Switzerland on renewable energy and compliant with strict privacy laws.

    94 Infomaniak kMeet alternatives

    Cost / License

    • Free
    • Open Source (GPL-3.0)

    Application typeApplication types

    • Video Calling
    • Group Chat

    Origin

    • Switzerland

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • F-Droid

    • Switzerland

    

    

    

    +9

    

    More about Infomaniak kMeet  

    

    Good alternative?Is Infomaniak kMeet a good alternative to Microsoft Teams?