Collaboration

Open-source collaborative markdown editor

Open-source email and collaboration suite.

Web-based file manager.

Open-source file sharing and collaboration platform

Collaboration and handoff for designers and developers.

Open source virtual whiteboard for sketching and collaboration.

Task management and collaboration for teams.

All-in-one workspace for teams

Project management and code collaboration tool.

Spreadsheet-database hybrid

Real-time website feedback and collaboration tool.