
The core framework powering openHAB, a Java-based runtime providing OSGi bundles for building smart home solutions. While not a standalone product, openHAB Core serves as the foundational artifact repository that distributions and smart home products build upon to deliver connected home automation capabilities.
Developers and organizations building smart home products and distributions who need a robust, modular Java framework for IoT and home automation. Contributors interested in the open source smart home ecosystem and those maintaining custom smart home solutions will benefit from openHAB Core's extensible architecture.

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

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at

Free open source home automation system for Linux, Windows, Raspberry Pi. Supports Z-Wave, Zigbee, MQTT, and 150+ devices.

WebThings Gateway - a self-hosted web application for monitoring and controlling a building over the web

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