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.
Skencil is a vector drawing program. It's written almost completely in python for flexibilty with some modules written in C for speed.
Box is a language specifically designed to make vector graphics easy plus a integrated development environment which facilitates the use of the language by interactively showing the graphical output. Box combines the convenience of drawing figures with the mouse with the convenience of describing them with a language tailored for vector graphics.
Vector graphics editor for printing industry
Euclide is a dynamic geometry application written in Java. It allows creation of geometric shapes (lines, points, circles, conics...) and transforms (rotation, symmetry...), which depend each other. Moving a shape will also move shapes dependent on it.
A powerful C++ class library for image manipulation
ImageStone is a powerful C++ class library for image manipulation. Its features include load, save, display, transformation, and nearly 100 special image effects. It can be used cross platform (includes Windows, Linux, Mac), and especially under windows it can be used as a DIB wrapper class.
VIPS is an image processing suite designed for extremely large images and colorimetry. It consists of a powerful re-usable library and a graphical user interface. http://www.vips.ecs.soton.ac.uk
Exymen aims towards being a universal cross platform multimedia editor. The goal is to have one application capable of editing all kinds of media content, including sound, video, slide presentations and white board content. Exymen has an open generic AP
Magie is a HDRI (High Dynamic Range Image) and related tasks infrastructure toolkit which is basically focused on the library of the same name. At present Magie contains adaptive DR transformer GIMPs plug-in only.
An image processing application based on a scripting language: now LUA (LIP subproject). Some native function are built-in, and some use other projects (FreeImage and FreeType).
monoGIS will be a complete GIS suite for the Mono platform. The current milestone release includes an internet mapserver, OGC WMS implementation and some tools like spatial format conversion. For other projects using monoGIS see mdwglib and Appomattox.
Debrief is an Open Source Java application used for viewing maritime vessel tracks in 2 and 3 dimensions. Tracks are read in using a number of flat-file ASCII formats, including AUTEC (RAO), PMRF and AFWTF.
DiaCanvas is a library for drawing diagrams. It is completely Model/View/Controller based and has a Visio (DIA) look. The package also contains a Python wrapper for the library.
Image manipulation and generation libraries plus fractal editor and generator examples.
Pure Java tile based map editor. A Cross platform, multi-language tool to create a map file for 2D/3D applications.<p>Un basado en azulejos redactor de mapa en Java. En plataformas múltiples, y idiomas múltiple crea mapas para aplicaciones de 2D/3D.
KOffice is a free and comprehensive office suite integrating perfectly into KDE.
SystemESP is a schema driven block diagramming tool written in Java designed for rapid prototyping of graphical notations. SystemESP links into the kin lisp interpreter for scripting, and allows the import of SVG as the diagram elements.
Simple graphic cutter to generate correct sized graphics for the "TheTVDB" web site.
A UML class diagram editor written in C++ using Tcl/Tk for the GUI portion. Designed to be easy to maintain and extend.
Yapuka is a multiplatform RADTool for NUI/NGL (ngl.sf.net), a GUI toolkit based on an OpenGL rendering layer. (Mac, Win32, Linux, FreeBSD).
Graphic Engine use script language to generate images or swf flash files
comprehensive crowd behavior simulation software for use in computer generated animation.
A simple image utility in C++. Although the boost::gil library is a great one, I can not understand the complex c++ template syntax in it. So i write a simple one( also limited functional )
EXIF Image Reader, Writer, Viewer, and Editor in Java
kfig shold become a "replacement" for xfig under KDE. It should be a slim tool to draw Fig-figures which is able to export them to varius file-formats. At the moment, there is only a cvs version available.