
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

OpenTTD is an open source simulation game that recreates and extends the classic Transport Tycoon Deluxe gameplay. Players build and manage transportation networks including trains, buses, ships, and aircraft to create profitable transport empires. The game combines strategic business management with creative building mechanics in an engaging isometric-view sandbox environment.
OpenTTD appeals to strategy game enthusiasts, simulation fans, and players nostalgic for the original Transport Tycoon Deluxe. It's ideal for anyone seeking a deep, replayable management simulation with active community support and cross-platform accessibility.

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

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

Production-ready platform for agentic workflow development.

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

Virtual whiteboard for sketching hand-drawn like diagrams

JavaScript API for Chrome and Firefox

The world’s fastest framework for building websites.

:house_with_garden: Open source home automation that puts local control and privacy first.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

Open Source Continuous File Synchronization