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