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Open source Microsoft Teams alternatives

Top Team Chat like Microsoft Teams

The most popular alternative to Microsoft Teams is Mattermost, which has a free version. Other great alternatives to Microsoft Teams are BigBlueButton.

Most alternatives to Microsoft Teams are in the Team Chat category, compared here by price, platform and features.

Microsoft Teams alternatives
AllFreeOpen source
2 apps

All Microsoft Teams alternatives

  1. Mattermost

    4.8(5.6K) · App Store

    Mattermost is an open-source collaboration platform offering channels, threads, calls and playbooks for structured workflows. Organizations can run it on their own servers or in a private cloud to keep full control of their data, which appeals to engineering teams, public agencies and regulated industries. Plugins, webhooks and an API connect it to DevOps tools like GitLab, Jira and Jenkins.

    8 Mattermost alternatives

    Pros

    • Self-hosting keeps full control over data and infrastructure
    • Strong DevOps integrations with GitLab, Jira and Jenkins
    • Playbooks structure incident response and repeatable workflows

    Cons

    • Self-hosted deployments need ongoing admin work
    • Smaller app ecosystem than Slack
    • Advanced compliance and enterprise features require paid plans
    Cost / License
    FreemiumOpen source
    Categories
    Team Chat
    Platforms
    WebWindowsMacLinuxiPhoneAndroidSelf-hosted
    Features
    ChannelsIntegrationsPlugins & extensionsSingle sign-on (SSO)Threaded conversationsVoice and video calls
    Visit websiteMore about Mattermost

  2. BigBlueButton

    9.2Kstars

    BigBlueButton is an open-source web conferencing system designed for online teaching. It includes a multi-user whiteboard, shared notes, polls, breakout rooms, screen sharing and recordings that can be replayed later. Schools and universities typically self-host it or use a hosting provider, and it plugs into learning management systems such as Moodle, Canvas and Sakai.

    8 BigBlueButton alternatives

    Pros

    • Designed for teaching, with whiteboard, polls and breakout rooms
    • Integrates with Moodle, Canvas and other learning platforms
    • Free and open source, with recordings that can be replayed later

    Cons

    • Self-hosting requires a dedicated server and admin skills
    • Interface feels dated next to Zoom or Teams
    • Less suited to business meetings than to online classes
    Cost / License
    FreeOpen source
    Categories
    Video Conferencing
    Platforms
    WebSelf-hosted
    Features
    Breakout roomsIntegrationsMeeting recordingReal-time collaborationScreen sharing
    Visit websiteMore about BigBlueButton

Microsoft Teams vs its alternatives at a glance

Pricing, platforms and the key features of Microsoft Teams, compared with its most popular alternatives.

Microsoft Teams vs its alternatives at a glance
AppPricingPlatformsAI assistantChannelsIntegrationsMeeting recordingScreen sharing
Microsoft TeamsFreemiumWeb, Windows, Mac, iPhone, Android
MattermostFreemiumOpen sourceWeb, Windows, Mac, Linux, iPhone, Android, Self-hosted
BigBlueButtonFreeOpen sourceWeb, Self-hosted

Microsoft Teams alternatives: frequently asked questions

What is the best alternative to Microsoft Teams?

The most popular alternative to Microsoft Teams is Mattermost: Open-source, self-hostable team messaging for secure operations. Other great alternatives are BigBlueButton.

Is there a free alternative to Microsoft Teams?

Yes, 2 alternatives are free or have a free plan, including Mattermost and BigBlueButton.

Is there an open source alternative to Microsoft Teams?

Yes, 2 open source alternatives are listed, including Mattermost and BigBlueButton.

Is Microsoft Teams free?

Microsoft Teams has a free plan, with paid plans that unlock more features.

Compare Microsoft Teams with its alternatives

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