The communications platform that puts data protection first.

Virtual whiteboard for sketching hand-drawn like diagrams

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Complete open source web conferencing system.

☁️ Nextcloud server, a safe home for all your data

Etherpad: A modern really-real-time collaborative document editor.

whiteboard / infinite canvas SDK

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

A web based file manager,web IDE / browser based code editor

a collaborative knowledge-exchange platform in Rails; we welcome first-time contributors! 🎈

best way to save what you love

An XMPP server licensed under the Open Source Apache License.

ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

CodiMD - Realtime collaborative markdown notes on all platforms.

A build system for development of composable software.

Open Source Vulnerability Management Platform

A repository for sharing and collaboration for third-party Mycroft skills development.

This open source repository contains collection of games build on basic tech stacks in web development . Use your creativity and build your own game and contribute to the repository by making PR 🎮