Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
CPU-Z - CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
ioBroker - flexible and modular application for the IoT and Smarthome
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
HWiNFO - Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.