MagicMirror² is an open source modular smart mirror platform. With a growing list of installable modules, the MagicMirror² allows you to convert your hallway or bathroom mirror into your personal assistant.
Pgtune - tuning PostgreSQL config by your hardware
HomeMaster is an open-source platform for local-first smart home automation using ESP32-based devices like MiniPLC and MicroPLC. This repository includes firmware, schematics, and documentation for creating modular, cloud-free automation systems fully compatible with Home Assistant via ESPHome
t6 is a "Data-first" IoT platform to connect physical Objects with time-series DB and perform Data Analysis.
buderus2mqtt is a gateway between a KM200 Buderus internet gateway and MQTT with the https://github.com/mqtt-smarthome topic and payload format.
kobold2mqtt is a gateway between a Vorwerk Kobold VR200 internet gateway and MQTT with the https://github.com/mqtt-smarthome topic and payload format.