The ultimate Free Open Source Solution for team communications.

Open source Slack-alternative in Golang and React - Mattermost

Zulip server - powerful open source team chat

Build, distribute and collaborate on components.

☁️ Nextcloud server, a safe home for all your data

Virtual whiteboard for sketching hand-drawn like diagrams

Etherpad: real-time collaborative document editor

CodiMD - Realtime collaborative markdown notes on all platforms.

🦉Data Version Control | Git for Data & Models

Complete open source web conferencing system.

Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows.

Collaborative Penetration Test and Vulnerability Management Platform

Command line tool to share your UNIX terminal and forward local TCP ports to people you trust.

A XMPP server licensed under the Open Source Apache License.

a Restful Api test tool

A simple and beautiful wiki for teams

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

Peer-to-peer shared types

Real-time collaborative development from the comfort of your favorite tools

Self hosted project management and collaboration tool powered by Laravel & VueJS

Modern Confluence alternative designed for internal & external docs, built with Golang + EmberJS

CodiMD - Realtime collaborative markdown notes on all platforms.

General purpose plain text editor for macOS. Widely known for its live collaboration feature.

An open source, free, high performance, stable and secure Java Application Business Platform of Project Management and Document

Official OSX, Windows, and Linux Desktop Clients for Rocket.Chat

An office suite that combines text, spreadsheet and presentation editors allowing to create, view and edit local documents

Typing in Tandem. Decentralized, cross-editor, collaborative text-editing!

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

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

A collaborative drawing program