Microsoft Teams AlternativesOnly Open Source apps categorised as Group Chat Apps - Page 3

The best open source Group Chat 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 are open source Group Chat Apps so hopefully you can find a suitable replacement. Other interesting open source Group Chat App alternatives to Microsoft Teams are Jitsi Meet, Jami, Wire and Mattermost.

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Microsoft Teams alternatives are mainly Group Chat Apps but may also be Instant Messengers or Video Calling Apps.  Other popular filters includes Self-Hosted + Open Source. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Microsoft Teams.
Microsoft Teams iconMicrosoft Teams
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Integrates seamlessly with Office 365 to centralize chat, files, and tools. Supports HD audio and video meetings, available across multiple platforms.

More about Microsoft Teams
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Microsoft Teams alternatives page was last updated Nov 27, 2024
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  1. PrivMX Fusion icon
    PrivMX Fusion icon

    PrivMX Fusion

     2 likes
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    PrivMX Fusion is safe and easy collaboration software for all kinds of teams, with virtual workspace protected by end-to-end encryption. Each team uses desktop/laptop client software and its own (zero-knowledge) PrivMX Team Server.

    103 PrivMX Fusion alternatives
    Get a multi-window view and use PrivMX pocket - a companion app available for IOS and Android.

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Software as a Service (SaaS)
    Manage tasks with kanban boards, to-do list and customisable task views. Track progress.
    Chat with your team, discuss tasks and organise video conferences - in thematic Sections or ad hoc groups.
    +9
    Use built-in editor to create encrypted, interactive text notes, mind maps and spreadsheets, integrated with Tasks and other documents.

    Top PrivMX Fusion Features

    1.  No Tracking
    2.  End-to-End Encryption
    3.  Kanban Board
    4.  AES-256 Encryption
    5.  VoiP Calls
    6.  Decentralized
    7.  Block Trackers
    8.  Two-factor Authentication
    9.  Team work
    10.  Task Scheduling
    11.  Task Tracking
    12.  Share screenshots
    PrivMX Fusion iconMicrosoft Teams Icon

    PrivMX Fusion VS Microsoft Teams

    Is PrivMX Fusion a good alternative to Microsoft Teams?
     
  2. Fugu Simple Work Chat icon
    Fugu Simple Work Chat icon

    Fugu Simple Work Chat

     3 likes
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    Simple yet powerful open source slack alternative chat platform for teams and organizational communication. Keep your conversations in your control, free from data mining and ads. Safe from prying eyes and secured with encryption.

    96 Fugu Simple Work Chat alternatives
    Fugu Simple Work Chat screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    Fugu Simple Work Chat screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Secure Chat
    2.  Attendance management
    3.  Omnichannel messaging
    4. Microsoft Teams icon  Microsoft Teams Integration
    5.  Team Messaging
    Fugu Simple Work Chat iconMicrosoft Teams Icon

    Fugu Simple Work Chat VS Microsoft Teams

    Is this a good alternative to Microsoft Teams?
     
  4. Semaphor icon
    Semaphor icon

    Semaphor

     13 likes
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    Zero Knowledge, end-to-end encrypted collaboration tool for teams and businesses. Reviewable source code. Python wrapper for bots & integrations. Encryption white paper. Native offline mode. Faster file-sharing. Built for enterprise.

    33 Semaphor alternatives
    Semaphor screenshot 1

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    Semaphor screenshot 1
    Semaphor screenshot 2
    +2
    Semaphor screenshot 3

    Semaphor Features

    1.  End-to-End Encryption
    2.  AES-256 Encryption
    3.  Real time collaboration
    4.  Multiple Servers
    5.  Mobile friendly
    6.  Blockchain
    7.  Integrated File Sharing
    Semaphor iconMicrosoft Teams Icon

    Semaphor VS Microsoft Teams

    Is Semaphor a good alternative to Microsoft Teams?
     
  5. Sylk Suite icon
    Sylk Suite icon

    Sylk Suite

     3 likes
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    Sylk Suite allows the creation and delivery of rich multimedia applications accessed by SIP Clients, XMPP endpoints and WebRTC applications.

    46 Sylk Suite alternatives
    Sylk Suite screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Sylk Suite screenshot 1
    Sylk Suite screenshot 2
    +2
    Sylk Suite screenshot 3

    Sylk Suite Features

    1.  End-to-End Encryption
    2.  SIP client
    3.  Video Conferencing
    4.  Voice Chat
    5.  WebRTC
    Sylk Suite iconMicrosoft Teams Icon

    Sylk Suite VS Microsoft Teams

    Is Sylk Suite a good alternative to Microsoft Teams?
     
  6. Braid Chat icon
    Braid Chat icon

    Braid Chat

     1 like
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    Braid is a new kind of group collaboration tool, designed for teams that hate interruptions and just want to get shit done.

    Say goodbye to chatrooms, and say hello to Braid!.

    13 Braid Chat alternatives
    Braid Chat screenshot 1

    License model

    • Free • Open Source

    Platforms

    • Online
    • Self-Hosted
    Braid Chat iconMicrosoft Teams Icon

    Braid Chat VS Microsoft Teams

    Is Braid Chat a good alternative to Microsoft Teams?
     
  7. AtomJump.com icon
    AtomJump.com icon

    AtomJump.com

     3 likes
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    AtomJump.com is a well tuned hosted version of the free open-source AtomJump.org. It is free to chat publicly with your family, group or co-workers on your own group.

    80 AtomJump.com alternatives
    AtomJump.com screenshot 1
    AtomJump.com screenshot 2
    +3
    AtomJump.com screenshot 3

    License model

    • Free • Open Source

    Application types

    Platforms

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

    AtomJump.com Features

    1.  Extensible by Plugins/Extensions
    2.  Portable
    3.  Works Offline
    4.  Screen Sharing
    5.  Push to talk
    AtomJump.com iconMicrosoft Teams Icon

    AtomJump.com VS Microsoft Teams

    Is AtomJump.com a good alternative to Microsoft Teams?
     
  9. fairmeeting icon
    fairmeeting icon

    fairmeeting

     2 likes
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    fairmeeting is a powerful video conferencing service that emphasizes ease of use and data privacy. It is a true alternative to Zoom, Teams, WebEx or Skype. Here's a breakdown of its key features:

    15 fairmeeting alternatives
    video conferencing with browser

    License model

    • Free Personal • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Software as a Service (SaaS)
    manage all your meeting rooms with the fairmeeting desktop app
    fairmeeting app remote control feature

    Properties

    1.  Privacy focused

    Features

    1.  End-to-End Encryption
    2.  Real time collaboration
    3.  No registration required
    4.  Desktop Sharing
    5.  Ad-free
    6.  Dark Mode
    7.  Screen Sharing
    8.  Video Conferencing
    fairmeeting iconMicrosoft Teams Icon

    fairmeeting VS Microsoft Teams

    Is fairmeeting a good alternative to Microsoft Teams?
     
  10. STAGE by vr-on icon
    STAGE by vr-on icon

    STAGE by vr-on

     2 likes
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    STAGE Cloud enables Unreal and Unity Enterprise professionals to instantly create, deploy and use their multi-user VR applications. STAGE Cloud requires only 3 simple steps to roll out multi-user VR applications. Further details: www.vr-on.cloud.

    27 STAGE by vr-on alternatives
    Use with HMD or Desktop PC

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Windows
    • HTC Vive
    • Unity
    • Software as a Service (SaaS)
    • Oculus Rift
    Meeting-Room
    Tutorial Scene

    STAGE by vr-on Features

    1.  Real time collaboration
    2.  Screen Sharing
    3.  VoiP Calls
    4.  End-to-End Encryption
    5. Unreal Engine icon  Unreal Engine Integration
    6.  Multiuser mode support
    7.  Interactive Whiteboard
    8.  Group Voice Chat
    9.  Video Conferencing
    STAGE by vr-on iconMicrosoft Teams Icon

    STAGE by vr-on VS Microsoft Teams

    Is STAGE by vr-on a good alternative to Microsoft Teams?
     
  11. Pensil icon
    Pensil icon

    Pensil

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    Pensil is a community building platform that brings together members, engaging discussion & live events for brands and creators.

    27 Pensil alternatives
    Build personalised community experience for your members on web, android & iOS.

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Google Chrome
    • Software as a Service (SaaS)
    Create multiple groups, change themes to match your branding.
    Create group chat, a great alternative to discord or slack.
    +2
    Inbuilt video call to host community events or discussion or even conduct classes

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Cloud Sync
    2.  No registration required
    3.  End-to-End Encryption
    4.  Real time collaboration
    5.  Dark Mode
    6. Google Calendar icon  Sync with Google Calendar
    7.  Support for MarkDown
    8.  Multiple Account support
    9.  Online community platform
    10.  Live calls
    11.  Community-based
    12.  Webinar
    Pensil iconMicrosoft Teams Icon

    Pensil VS Microsoft Teams

    Is Pensil a good alternative to Microsoft Teams?
     
  12. Glitch Gaming icon
    Glitch Gaming icon

    Glitch Gaming

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    Content creators and influencers have the ability to monetize their platforms by promoting a range of games, from indie to AAA. They can preview new games, creating engaging content across a variety of social platforms such as TikTok, Twitch, Reddit, Twitter, and YouTube.

    8 Glitch Gaming alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online

    Glitch Gaming Features

    1.  Real time collaboration
    2.  Dark Mode
    3.  Support for @mentions
    4.  VoiP Calls
    5.  Screen Sharing
    6.  Cloud Sync
    7.  AI-Powered
    Glitch Gaming iconMicrosoft Teams Icon

    Glitch Gaming VS Microsoft Teams

    Is Glitch Gaming a good alternative to Microsoft Teams?
     
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