Swiss army knife of image processing
GraphicsMagick provides a set of commandline tools and programming APIs for manipulating, editing, and converting raster and vector images. It is derived from ImageMagick, with the objective of providing better stability and performance than ImageMagick while retaining the original MIT/X11 license.
CxImage is a C++ image processing library. It can load, save, display, transform images in a very simple and fast way, with transparency, multiple layers and selections, support for BMP GIF JPG PNG MNG TIF ICO TGA PCX J2K JBG RAS PNM RAW PSD
KolourPaint is a free, easy-to-use paint program for KDE. The official website is [www.kolourpaint.org].
DrawPile is a sketching oriented drawing program that allows multiple people to share the same drawing board over the Internet. Note! This sourceforge account is no longer updated! For new versions, go to drawpile.net
The cross-platform open source alternative to MS Paint.
A generative art image evolver
"Generative art" software which evolves images/textures/patterns through an iterative process of random mutation and user-selection driven evolution. If you like lava lamps, and still think the Mandelbrot set is cool, this could be the software for you.
darknocK detects edges in images. It is using Artificial Neural Networks to enchance the results of standard algorithms.
Feel pictures free of charge - SeebyTouch is the unique open source tactile vision substitution system available! Using the software and the construction manual it is possible for everyone to get pictures over the tactile sense! - Blindensehersatzsys
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.
mvComicsMaker (mvCM) is a free, QT-based graphics editor for creating animations in Linux. Working with mvCM, you are able to use bitmapped images together with vector graphics. You can also combine indexed pictures with true color pictures.
Cross-platform application for digital painting
Immix aligns and merges a set of similar images in order to decrease the noise.
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.
High quality and high performance scalable vector graphic library for C++. Anti-aliasing, alpha-blending, gradients & Gouraud shading, custom processing pipelines, filtered image transforms, affine and perspective tranforms, etc. Note: This project has b
Add a copyright bar on or under a picture. Batch mode.
ImageRocket is intended to be an image editor for tedious editing. It has a streamlined, easy-to-use interface, perfect for making simple changes to many images. It is currently being written using Trolltech's Qt 4.2.1.
KOffice is a free and comprehensive office suite integrating perfectly into KDE.
KStamper is program which embed digital watermark image file into image or photography. It's intuitive and as simple as it possible.
Octree-based texture mapping for 3D models as described in the SIGGRAPH 2002 paper "Painting and Rendering On Unparameterized Models" from Thrown Clear Productions (www.thrownclear.com).
Automatic deskew and bounding box determination for scanned page images
A cross-platform painting tool.
QuillTex is a cross-platform native application tiling management tool written in Qt4. An emphasis is made on making all major components a separate dynamic library, for modularity.
RPhoto is a small software aiming at the easy handling of digital camera's photos, and capable of cropping photos with a constant width / height ratio (by example 4:3 for numeric photos). It also have lossless crop / rotate / flip operations.
Sam\'s Pixel Art Tool is a GTK2-based image editor, aimed at people creating simple 2D graphics and animations. It aims to be small, fast, efficient and convenient.