
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.

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

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..

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

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

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

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

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

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

Virtual whiteboard for sketching hand-drawn like diagrams

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

High performance self-hosted photo and video management solution.

The world’s fastest framework for building websites.

A fancy self-hosted monitoring tool

Open Source Continuous File Synchronization