☁️ Nextcloud server, a safe home for all your data
best way to save what you love
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
whiteboard SDK / infinite canvas SDK
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
Virtual whiteboard for sketching hand-drawn like diagrams
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
The communications platform that puts data protection first.
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.
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.
⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, organize, and preserve webpages, articles, and documents.
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
tine groupware main repository
