
WeeChat is a free, fast, and lightweight chat client designed for extensive customization and extensibility. Built from scratch with a modular architecture, it supports multiple protocols including IRC and can be extended with scripts in numerous programming languages.
WeeChat is ideal for power users, developers, and system administrators who want a lightweight, highly customizable chat client that can be extended with scripts. It appeals to those who prefer terminal-based tools and value flexibility and scriptability.

Your self-hosted, globally interconnected microblogging community

The Secure CommsOS™ for mission-critical operations

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

Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)

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

A customizable life embetterment robot.

A list of Free Software network services and web applications which can be hosted on your own servers

🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

A feature-rich command-line audio/video downloader

Production-ready platform for agentic workflow development.

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Virtual whiteboard for sketching hand-drawn like diagrams

An open-source AI agent that brings the power of Gemini directly into your terminal.

JavaScript API for Chrome and Firefox

The world’s fastest framework for building websites.