Contents:
- doc-notes/
- text-unicode/
- sw-licensing/
- chat-messaging-irc/
- git/
- diagrams/
- graphics/
- plotting/
- LibGD
- draw lines, arcs, shapes, etc., and save to graphics file
- Netpbm
- draw pixels (raster format), and convert between various file formats
- Raylib
- draw lines, shapes, etc., interactively. Used for games and other interactive graphical programs.