Library for building distributed, real-time collaborative web applications
☁️ Nextcloud server, a safe home for all your data
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
Virtual whiteboard for sketching hand-drawn like diagrams
The communications platform that puts data protection first.
best way to save what you love
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
very good whiteboard SDK / infinite canvas SDK
⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, organize, and preserve webpages, articles, and documents.
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
Open-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux, and macOS
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
tine groupware main repository
Etherpad: A modern really-real-time collaborative document editor.
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.