Open-source projects tagged “collaboration”

Excalidraw

A virtual whiteboard for sketching hand-drawn style diagrams, available as a web app and as an embeddable React component.

Rocket.Chat

A self-hostable team communications platform with chat, channels, and omnichannel customer messaging.

Mattermost

A self-hostable team chat platform with channels, threads and integrations, popular for secure and technical teams.

Nextcloud

A self-hosted file sync and sharing platform with an app store for calendar, contacts, mail and chat.

Zulip

A self-hostable team chat app that organizes every conversation into topics inside channels.