Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
☁️ Nextcloud server, a safe home for all your data
best way to save what you love
very good whiteboard SDK / infinite canvas SDK
Virtual whiteboard for sketching hand-drawn like diagrams
The communications platform that puts data protection first.
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, organize, and preserve webpages, articles, and documents.
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
Etherpad: A modern really-real-time collaborative document editor.
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
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.
