An award-winning drawing program for children ages 3 to 12
Tux Paint is a free, award-winning drawing program for children ages 3 to 12. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. Kids are presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. Additional content can be added by parents and teachers, or downloaded from 3rd parties. Tux Paint is available for Linux, BSD, Windows, Mac OS X and Haiku operating systems.
gPhoto is a program and library framework that lets users download pictures from their digital cameras. The libgphoto2 library gives you access to hundreds of models of digital cameras on several platforms. GIT repo and Issue tracker lives at https://github.com/gphoto/ these days.
A full featured cross-platform image library
Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease.
Read, write and edit metadata
Perl library and command-line application for reading, writing and editing meta information (EXIF, IPTC, XMP, and more) in a wide variety of file formats (JPEG, TIFF, PNG, PDF, RAW, and more).
Free 3D Acropolis is a model 3D in hight resolution of the Acropolis of Athens shortly after its construction.
darknocK detects edges in images. It is using Artificial Neural Networks to enchance the results of standard algorithms.
XMP PHP Toolkit Extension is a PHP module which include the Adobe XMP Toolkit SDK. The main functions from adobe XMP will be available from PHP as classes and methods. The actual release 2.0 is based on the new Adobe XMP Toolkit SDK 5.1.2.
A fast, unobtrusive and modern cross-platform GUI toolkit. Agar fully exploits hardware acceleration where available, but also supports simple frame-buffer interfaces. Agar is stand-alone and easily portable to new platforms and graphics systems.
OpenGL Image Processing LIBrary
GLIP-Lib is an OpenGL image processing library written in C++. It features all the necessary tools to quickly build texture filters and pipelines and operate them on the GPU.
Easy creation of normal maps
Simple Normal Mapper is a normal map editor with which one can easily create normal maps for 2D images. Normal mapping is used, for example, in 2D games to make an illusion of a 3D object. Simple Normal Mapper is fully automatic with some user-controllable parameters. Simple Normal Mapper is written in Qt and C++. The newest source code and releases here: https://github.com/juzzlin/SimpleNormalMapper/releases