Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
AppCoda - Learn SwiftUI using swift playgrounds for iPad and Mac
ioBroker - flexible and modular application for the IoT and Smarthome
Bragi - Wireless, H2O resistant, noise-canceling in-ear tracker.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Ocean Cleanup - Large-scale, passive, and efficient ocean plastic removal