Drawing, graphics conversion, software development, administration.
Swiss army knife of image processing
Free, open-source file converter: 263 formats, offline, drag and drop
Open Source Solid Modeling CAD
Easy-to-use command line tool for images
Tools to process and visualize scientific data and images
Various small and useful command-line utilities
Free professional video converter Windows|Mac|Linux
Linux fork BookScanLib.ru
Command line tool for scaling and denoising images
Create neat .HTML galleries from your photos
Complete solution for HDR photography
Image Viewer and Graphic Manipulation Tool
an application to automatically extract text from comic books.
From Inkscape SVG files to HTML image map or coordinate list
Convert images to Ascii Art, with a lot of options and drawing tools
Mesh and point cloud processing tools