Open Source Collaborative Workspaces using Postgres
A curated collection of the best open source integrated platforms combining communication, task management, and document sharing. using Postgres.
No-code database and app builder you can self-host
Stars
6,148Last commit
9 hours agoLicense
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:
Project management for teams and AI agents
Stars
60,783Last commit
6 hours agoLicense
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:
Free instant whiteboard with real-time collaboration
Stars
50,896Last commit
7 hours agoLicense
Unknown
Virtual whiteboard that works instantly on any device, no signup required, with real-time multiplayer collaboration built in.
Open Source Alternative to:
Secure collaboration platform for mission-critical work
Stars
39,325Last commit
6 hours agoLicense
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:
All-in-one workspace for project, chat, and docs
Stars
27,887Last commit
11 hours agoLicense
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:
Flexible database meets intuitive spreadsheet interface
Stars
21,888Last commit
11 hours agoLicense
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:
Self-hosted team workspace with chat, docs, and databases
Stars
5,169Last commit
6 months agoLicense
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:
A verified workspace where AI agents store and build knowledge
Stars
487Last commit
1 day agoLicense
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:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Stellar Hosted