FreeImage is a library project for developers who would like to support popular graphics image formats (PNG, JPEG, TIFF, BMP and others). Some highlights are: extremely simple in use, not limited to the local PC (unique FreeImageIO) and Plugin driven!
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.
Gimp User Filter is a plugin for The Gimp (http://www.gimp.org/), originally written by Jens Restemeier back in 1997. This project is about maintaining the plugin, keeping it compatible with current versions of Gimp, and eventually extending its features
Qaquarelle is the opensource Qt4-based graphical editor, whose goal is to provide the native way of painting with emulated traditional instruments, including the full support of tablet input and OpenGL-based processing in GPU.
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.
The cross-platform open source alternative to MS Paint.
Pixi image editor. Common features like: layers, im/export bmp/png/jpg/tga/tiff, scripted command interface, alpha, layers are worked on as floating points. Written using freepascal, and a work in progress. Modular design. Latest source in HG.
'Yet Another Paint' is a cross-platform drawing program written in Java.
Using this tool you can Generate the class diagram for any class inside jar , It also have facility to import class diagram to png or jpg format. This project is under development. Please request the feature if needed.
Tiny tool capable of stitching hundreds images into one single image
This is very small tool, which is capable of stitching hundreds of images into one single image. The main purpose of the tool is to stitch small pieces of map taken by screenshots for example from OpenStreetMap. The tool automatically calculates relative positions of every single patch. A single patch has to have considerable amount of margins that are required to find control points that will match a pair of patches.
A panographic toolkit compliant with open source standards
pano3 (or "pano cube") is an experimental, cross-platform, open source toolkit designed to agree with modern web standards such as HTML5, CSS3 and CSS3D. The pano3 viewer is now released as a jQuery plug-in based on 3d transformations supported by CSS3D. The desktop utilities are written in Java 1.7.
Fugenschnitzer is a quick and easy to use Seam Carving program. Fugenschnitzer -- Seam Carving for everyone.
MathSong will be a flexible, portable, user-friendly Java program for producing algorithmic art. It will have multiple layers and plug-in formulas.
QtImageCut - can cut and save selected image region with just a few easy steps. Can do some work atomatically. QtRectangle - get dimentions an geometry of selected areas with ease. Other ideas are velcome.
pizzApazzA is a framework for the development of graphics applications. Actually we provide only the Color API of the pizzApazzA Framework.
A photo editor and image processing software that provides real professional photo lab effects like smoothing and color filters, adaptive photo enhancement (adaptive sharpness and contrast). Based on C++ using wxWidget makes available for various OS (Lin
A cross-platform sprite-based pseudo-3D isometric pixel art modeling aid. Written in 100% BlitzMax. Uses precise building blocks and a minimalist interface. Blocks snap to a grid aiding with precise construction. Can also save and load creations.