☁️ Nextcloud server, a safe home for all your data
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
Virtual whiteboard for sketching hand-drawn like diagrams
best way to save what you love
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
whiteboard SDK / infinite canvas SDK
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
⚡️⚡️⚡️Self-hosted collaborative bookmark manager to collect, organize, and preserve webpages, articles, and documents.
The communications platform that puts data protection first.
An office suite that combines text, spreadsheet and presentation editors allowing to create, view and edit local documents
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
Etherpad: A modern really-real-time collaborative document editor.
tine groupware main repository
Library for building distributed, real-time collaborative web applications
json-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.