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Open Source Collaborative Workspaces

A curated collection of the best open source integrated platforms combining communication, task management, and document sharing..

Baserow

No-code database and app builder you can self-host

  • Stars

    Stars growing over the last 30 days6,183

  • Last commit

    5 hours ago

  • License

    MIT
Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.

Open Source Alternative to:

Airtable

Excalidraw

Collaborative whiteboard with a hand-drawn aesthetic

  • Stars

    134,297

  • Last commit

    15 hours ago

  • License

    MIT
Virtual whiteboard for sketching diagrams, flowcharts, and wireframes with a distinctive hand-drawn look. Real-time collaboration built in.

Open Source Alternative to:

Miro

Affine

Docs, whiteboards, and databases in one privacy-first workspace

  • Stars

    73,709

  • Last commit

    9 days ago

  • License

    MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.

Open Source Alternative to:

Notion

Plane

Project management for teams and AI agents

  • Stars

    61,209

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Open source project management platform combining issues, wikis, and AI agents in one workspace. Available on cloud, self-hosted, and air-gapped deployments.

Open Source Alternative to:

Linear

Tldraw

Free instant whiteboard with real-time collaboration

  • Stars

    51,018

  • Last commit

    17 hours ago

  • License

    Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.

Open Source Alternative to:

Miro

Rocket.Chat

Self-hosted team messaging with voice, video, and AI

  • Stars

    46,304

  • Last commit

    2 hours ago

  • License

    MIT
Open source communication platform combining messaging, voice, video, and AI for organizations that need full data control, air-gapped deployments, and zero-trust security.

Open Source Alternative to:

Discord

Mattermost

Secure collaboration platform for mission-critical work

  • Stars

    39,397

  • Last commit

    2 hours ago

  • License

    Unknown
Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

Open Source Alternative to:

Microsoft Teams

Nextcloud

Secure cloud collaboration platform for organizations

  • Stars

    37,186

  • Last commit

    2 hours ago

  • License

    AGPL-3.0
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open Source Alternative to:

Google Drive

Huly

All-in-one workspace for project, chat, and docs

  • Stars

    27,953

  • Last commit

    2 days ago

  • License

    EPL-2.0
Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.

Open Source Alternative to:

Notion

Teable

Flexible database meets intuitive spreadsheet interface

  • Stars

    21,910

  • Last commit

    2 hours ago

  • License

    AGPL-3.0
Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Open Source Alternative to:

Airtable

Docs

Create, edit and share documents with real-time collaboration

  • Stars

    16,936

  • Last commit

    3 hours ago

  • License

    MIT
Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.

Open Source Alternative to:

Notion

Workadventure

Virtual office platform for engaging remote collaboration

  • Stars

    5,872

  • Last commit

    2 hours ago

  • License

    Unknown
Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.

Open Source Alternative to:

Microsoft Teams

Colanode

Self-hosted team workspace with chat, docs, and databases

  • Stars

    5,171

  • Last commit

    7 months ago

  • License

    Apache-2.0
Local-first collaboration platform combining real-time chat, rich text pages, databases, and file management in a single self-hostable workspace.

Open Source Alternative to:

Notion

Sync-in

Open-source file storage with complete data sovereignty

  • Stars

    Stars growing over the last 30 days1,943

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.

Open Source Alternative to:

Google Drive

Busabase

AI
A verified workspace where AI agents store and build knowledge

  • Stars

    Stars growing quickly over the last 30 days563

  • Last commit

    3 hours ago

  • License

    MIT
Busabase gives AI agents a shared database, knowledge base, and skills registry where every proposed change goes through human review before becoming canonical data.

Open Source Alternative to:

Notion

Ever Teams

Real-time work and project management platform

  • Stars

    591

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Ever Teams offers an all-in-one solution for work management, time tracking, and team collaboration with integrations for popular tools.

Open Source Alternative to:

Linear

dDocs

End-to-end encrypted collaborative document editor

  • Stars

    Stars growing over the last 30 days448

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Write, organize, and collaborate in real-time with complete privacy and security. This app is an open-source, online/offline compatible, and AI-free alternative to Google Docs.

Open Source Alternative to:

Microsoft Word
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