Pierre E Gougelet Freeware Downloads
Nconvert
7.192 freeware downloadPowerful command-line tool for batch image conversion and processing.
XnConvert MP
1.100.1 freeware downloadA simple yet powerful tool, that allow you to convert images
XnSketch for Linux
1.20 freeware downloadTurn your photos into cartoons
XnSketch x64
1.20 freeware downloadAllows you to turn your photos into cartoon or sketch images