Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
ioBroker - flexible and modular application for the IoT and Smarthome
Ralpha Image Resizer - High-speed image batch conversion tool
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats