All-in-one classroom platform — assignments, grading, discussion, and student management in one place
A self-hosted home for your team's conversations, calls, meetings, and AI-assisted follow-up.
📦 Awesome stuff for OSX
OpenCompany Web Application - Carrot web UI
Open-source team collaboration platform built for modern teams. Real-time messaging, channels, DMs, and AI-powered assistance. Built with Next.js 16, and Neon Postgres. An extensible Slack alternative with AI integration, perfect for developer communities and remote teams.
Timey is a real-time team chat application built with TanStack Start, React, and SpacetimeDB. Features include direct messages, group channels, message reactions, and presence tracking.
SDKs for Flutter, Implement API Mattermost
Mattermost MCP server to enable Claude to interact with Mattermost Workspaces
Journal your daily tasks and share with your team, daily email reports
企业级即时通讯系统（IM平台），支持私有化部署、团队协作与实时通讯，适用于企业办公、内部沟通及可扩展通信系统构建。企業級即時通訊系統（IM平台），支援私有化部署、團隊協作與即時通訊，適用於企業辦公與可擴展通訊系統。
Self-hosted team chat — channels, threads, DMs, search, polls, SSO. One JVM, one Postgres, one systemd unit. Java 25, Spring Boot 4, embedded Lucene.
AI-native workspace — the open-source Slack alternative that prioritizes your focus
Worknify redefines the way professionals manage projects and showcase their achievements. As a personal project developed with passion and commitment, Worknify offers a comprehensive suite of tools designed to enhance productivity, collaboration, and personal branding in one open-source platform.
Open-source, self-hosted, AI-native team communication platform — where humans and AI agents are equal citizens
Open-source, self-hosted Slack alternative. Real-time messaging with workspaces, channels, and threads.
Production-ready self-hosted team communication: Rocket.Chat + Jitsi Meet, fully integrated, privacy-first, GDPR-ready
Team collaboration and process guides for modern software development teams. Agile practices, communication.
RailsStorybookAppraise: A Rails app into your Storybook with Appraise.qa for visual approval testing
An open-source Slack alternative built with React, Express, PostgreSQL, and Socket.io
A cross-platform push-to-talk communication system designed for group activities like cycling, running, and fitness sessions.
Add a description, image, and links to the team-communication topic page so that developers can more easily learn about it.
To associate your repository with the team-communication topic, visit your repo's landing page and select "manage topics."