At the moment, the world lacks a good open-source sheet music and notation editor. Brockmaestro is a project to create one of these. It is currently written for UNIX-like platforms.
Burn is a small and compact 32x32 256 color image (sprite) editor for Dos (or POSIX, using Dosbox or Dosemu). It currently contains several gfx-effects than can be applied to images, animation features and a tiny scripting language (amongst others).
A bitmap manipulation library written in objective-c
CinePaint is a deep paint image retouching tool that supports higher color fidelity than ordinary painting tools. CinePaint opens high fidelity image file formats such as DPX, 16-bit TIFF, and OpenEXR, and conventional formats like JPEG and PNG.
OBSOLETE; try http://drawpile.net/ instead!
*** THIS PROJECT IS DEAD *** But try http://drawpile.net/ instead! It's also open source and has made a 1.0 release. *** *** CjopazeDraw is a real-time Internet collaborative drawing tool in the vein of openCanvas, pchat, or flockdraw, but designed with full cross-platform thick-client graphics tablet support, fast synchronising, and per-user undo and redo.
ClayTek is a 3D games library based on SDL and OpenGL. It is being developed simultaneously with an Editor that uses FLTK, and is being developed under linux (Slack 9.0).
Click3d is a free 3d modeling program.
CocoaPaint will be a free and easy to use paint program for Mac OS X. It will feature all the usual paint features (brushes, channels, filters etc) and hopefully a few more, all wrapped in an aqua interface. The development program itself is designed as a
Create tasteful color schemes for your designs. The Color Gourmet helps you with creating, exploring and tweaking your colors. A flow chart based user interface offers you reproducable definitions of inter color relations. It is fun, try it out!
This project has been moved to GitHub.
Overlay-based comics translation tool
Simple editor and viewer for overlay-based comic book translation. Overlays allow translation without modifying original images. The project is still in early stages of development and the file format will be subject to sudden changes with no backward compatibility. You have been warned.
Delphi & Kylix Components project - Components & Classes for graphic representation of objects (for Visio-Like software). The purpose is to build easy-access librairies for building IDEF,OMT,UML,E/R,Graphcet,Organigram applications.
Convey is a real-time, online, multi-user collaboration tool which augments text, graphics, and symbols. Examples of graphics include shapes, mathematical expressions, diagrams, flow charts, and pictures.
Add a copyright bar on or under a picture. Batch mode.
Cpsed is a Linux OpenGL 3d scene editor. The GUI is built with QT library. It allows you to position, rotate and scale each of your 3d models (3DS AutoDesk and DFF RenderWare) saving the x,y,z coords in a CSV ascii file. A camera is provided.
Crystal Studio - a World Editor for Crystal Space
3D game engine (more powerful redesign of the Cube engine) and FPS game
The CuteFig project intends to write a vector drawing programme, CuteFig, for scientific and technical drawings and diagrams. The motivation of initiating CuteFig was inspired by the well known programme xfig and its advantages and shortcomings.
A manga viewing application written in C++/Qt. CuteMangaView supports thumbnails, full screen viewing, common archive formats (planned), and manga metadata such as bookmarks and translations (planned).
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
'Q' DVD-Author is a GUI frontend for dvdauthor written in Qt 3.x, and Qt4.x
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.
DecodeIMG is a tool for converting between two forms of black&white images - the raster images and the numerical "encoded" images.
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.
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.