Open Source #collaboration Projects
Discover open source software tagged with collaboration.

Etherpad
Open-source real-time collaborative text editor you can self-host.
Google Docs
Jitsi Meet
Jitsi Meet is a free, secure, open-source video conferencing platform you can use in the browser or self-host. No account is required to join, share, or record any meeting at all.
Google Meet
Plane
Open-source, AI-native project management platform — a self-hostable alternative to Jira, Linear, Monday, and ClickUp.
JiraDoory
Open-source browser design editor for posters, social posts and slides, with templates, real-time co-editing and PNG, SVG, PDF and video exports.

Penpot
Open-source design and prototyping platform with native design tokens, real CSS layouts and self-hosting — a strong Figma alternative.
Figma
ONLYOFFICE
Self-hosted office suite with real-time collaboration.
Google Docs
CryptPad
CryptPad is an end-to-end encrypted, zero-knowledge collaborative office suite. Write, edit, and share documents, sheets, and code with confidence that servers never read them.
Google Docs
Devlane
Self-hostable project management for dev teams: issues, cycles, modules, pages, and analytics. Go + React alternative to Jira and Linear.
JiraChatto
A self-hosted chat application for teams and communities with video calls, voice calls, and screen sharing.

Outline
The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.

Sim
Sim is an open-source workspace to build, deploy, and orchestrate AI agents and agentic workflows. Visually connect LLMs, tools, and data sources without giving up control.
Lindy AIAFFiNE
Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.
Speakr
Self-hosted AI transcription and intelligent note-taking platform that turns audio recordings into organized, searchable notes with speaker identification.
Otter.aiAlexandrie
Self-hosted knowledge base with extended Markdown editor, Kanban, OIDC/SSO, PWA and offline support.

Element Call
Element Call delivers end-to-end encrypted group video and voice calls built on the open Matrix protocol. No accounts, no tracking, fully self-hostable, and ready for serious team use.
Google Meet
OpenProject
OpenProject is open-source project management software for agile teams. A powerful alternative to Jira, Asana, Trello, and Monday.com — fully self-hosted and free to use.
Jira
Gitea
Painless self-hosted all-in-one software development service with Git hosting, code review, CI/CD, and package registry.
GitHub
Scrumboy
Self-hosted Kanban and scrum project management tool with real-time collaboration, sprints, and anonymous shareable boards.
Jira
4gaBoards
Straightforward realtime kanban boards for intuitive task tracking with dark mode and collaborative features.
Trello
Excalidraw
Open-source virtual whiteboard for creating hand-drawn style diagrams and sketches.

Zulip
Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.

Tale
Open-source workspace where teams and AI agents plan tasks, run them in sandboxes, and review results together.
Lindy AI
Grist
Open-source spreadsheet-database hybrid with flexible relational data modeling.
Google Sheets
SafeBucket
Self-hosted file sharing platform with direct S3 uploads, SSO, and role-based access control.
Dropbox
TeamPass
Self-hosted collaborative password manager for teams. Organize and share credentials with role-based access control.
1Password