libAfterImage Imaging Library
- Image import, storage, manipulation and output library for X.
- http://www.afterstep.org/afterimage/

Free Graphics Libraries, 3D/2D Engines, Animation
- Extensive list of graphics libraries (to create and manipulate graphics), 3d and 2d engines.
- http://www.thefreecountry.com/sourcecode/graphics.shtml

Dislin
- Library of subroutines and functions that display data graphically. Software is available for the programming languages C, Fortran 77, Fortran 90, Perl, Python and Java.
- http://www.mps.mpg.de/dislin/

SFont
- A font library for use with SDL which uses variable width bitmap fonts.
- http://user.cs.tu-berlin.de/~karlb//sfont/

Graphics Magician Home
- Learn to write programs with cool graphics, animation, sound effects, and music without understanding all the levels of writing Windows software.
- http://graphicsmagician.magictree.com

wxNURBS
- An application to design NURBS curves and surfaces. It can also be used as an NURBS library, providing an API that could be used by other applications.
- http://wxnurbs.sourceforge.net/

AirZip Accelerator
- Real time image compression library which handles a wide range of standard formats.
- http://www.airzip.com/Accelerator.htm

GrWin Graphics Library
- An easy to use free graphics library for Fortran and C(C++) available on Win32 platforms using MinGw, cygwin, VC++/VF or BCC. Interactive graphics programming can be made with it.
- http://spdg1.sci.shizuoka.ac.jp/grwinlib/english/

Glide Open Source Project
- The homepage of the Glide Open Source Project.
- http://glide.sourceforge.net/

GD Library
- A graphics library for fast image creation
- http://www.boutell.com/gd/

G2 Graphical Library
- Portable 2D graphics library. Provides a set of functions for simultaneous generation of graphical output on different types of devices.
- http://g2.sourceforge.net/

Solace
- A free graphics library still in development.
- http://www.cs.nmsu.edu/~joshagam/Solace/

Game programming with DirectX
- 5 chapters of DirectX tutorial on game programming. Also contains a list of popular graphics libraries.
- http://www.scorpioncity.com/djdirectxtut.html

Windows Programming
- Comparison of Nugraf Developer's 3D Toolkit and Open GL. Publisthed in ACM Crossroads Magazine.
- http://www.acm.org/crossroads/xrds6-4/graphicslib.html

Bar Code DLLs
- Create high quality, device independent, Windows MetaFile graphics. Includes programming examples and free bar code tutorial.
- http://www.taltech.com/TALtech_web/products/dll_barcodes.html

Image Enable
- Design imaging applications and image-enable document management systems quickly and effectively with an Eroiica API.
- http://www.parallax69software.com/aplik_us.htm

Graphics Toolkit for AMD Élan SC400 Embedded Microcontroller
- AMD ElanSC400 native graphics mode can now easily be implemented in C++ and C programs using this library. Source code included.
- http://www.hemodynamic.com/elan/

SineMaker
- A toolkit for the development of games, demos or other graphic related programs with Visual Basic.
- http://hem.spray.se/sinemaker/

Fastgraph
- Collection of graphics functions that can help you develop professional games and applications.
- http://www.fastgraph.com/

OpenGUI
- High-level, cross-platform C/C++ graphics and windowing library built on a fast x86 assembler graphics kernel. [Open Source, LGPL]
- http://www.tutok.sk/fastgl/

little cms (lcms)
- A free, open source, CMM engine. It provides fast transforms between ICC profiles.
- http://www.littlecms.com/

Libart
- A library for high-performance 2D vector and bitmap graphics
- http://www.levien.com/libart/