Add watermark to any image or photo (batch processing available).
View and alter images (batch processing available).
Reverse image search your photos. Find duplicates. Find similars
Open source library for processing arrays and matrices
Synchonize your music with disk, sd cards etc..
Shape recognition for video games using fast algorithms (heuristics).
Measure accuracy of file format conversion.
Mp3 decoder to convert mp3 files into wav on Linux, Windows, Android