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.

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。

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.

Team collaboration and process guides for modern software development teams. Agile practices, communication.

Mattermost MCP server to enable Claude to interact with Mattermost Workspaces

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

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.

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.

Slack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with other tools and services.

Một ứng dụng giúp tăng cường năng suất cho người làm việc từ xa, với các tính năng quản lý thời gian, theo dõi tiến độ công việc và giao tiếp nhóm hiệu quả.

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

A comprehensive suite of collaborative tools designed to enhance team communication, project management, and document sharing in real-time, all within one unified platform.

Một bộ công cụ tối ưu hóa trải nghiệm làm việc từ xa cho người dùng tại Việt Nam. Dự án cung cấp các tính năng như quản lý thời gian, lập kế hoạch dự án, và giao tiếp nhóm để nâng cao hiệu quả làm việc.