DOS programming examples: - 2D game engine for unREAL mode DOS (by Heptagram Group). - small DOS text mode tetris (by -*[PHSW]*- Group). - FAT12 boot loader (by PetroffHeroj).

Windows programming examples: - example of superclassing Win32 controls (by Luis Alonso Murillo Murillo). - Image Organizer for Win32 (by Antoch Victor). - Online tester (by Serge Tserkovitsky).

Linux programming examples:
  gtk-examples.tar.gz - a pack of GTK programming examples (by Sven Blumenstein).