All-in-one classroom platform — assignments, grading, discussion, and student management in one place

OpenCompany Web Application - Carrot web UI

📦 Awesome stuff for OSX

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

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。

Mattermost MCP server to enable Claude to interact with Mattermost Workspaces

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.

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.

Open-source, self-hosted, AI-native team communication platform — where humans and AI agents are equal citizens

RailsStorybookAppraise: A Rails app into your Storybook with Appraise.qa for visual approval testing

A cross-platform push-to-talk communication system designed for group activities like cycling, running, and fitness sessions.

An open-source Slack alternative built with React, Express, PostgreSQL, and Socket.io

Enforce communication discipline & execution hygiene for agent teams. Detect loops, route violations, stale work, and missing ownership.

Full-stack team communication platform built with MERN stack. Features JWT authentication, real-time messaging, channel management, and responsive Bootstrap UI. Implements layered architecture with repositories, services, and protected routes. Capstone project showcasing modern web development practices.

Open-source, self-hosted Slack alternative. Real-time messaging with workspaces, channels, and threads.