Subpages here:

Lhasa
Free LHA implementation.
Yocton
Stringly-typed minimalist object notation.
SDL Sopwith
Port of the classic game Sopwith.
C Algorithms
Liberally-licensed C algorithms library.
JBMGen
Library file generator for the Archos GMini MP3 players.
Revol
Linux distribution for the Psion Revo.

Other projects:

wadptr
WAD file compressor.
Vanilla Utilities
Doom engine DOS utilities.
DEH 9000
Programmer's Dehacked.
miniwad
Minimalist Doom IWAD file.
Squashware Doom
Shrunken version of Doom shareware IWAD.
WadGadget
Console WAD file editor.
ipxbox
Standalone DOSbox IPX server.
Yoctolisp
Lisp interpreter written in a weekend.
Eluhgunt
Simple CSS stylesheet.
Dali
DOS driver to connect to a DOSbox server.
Win9x Essentials
ISO of software for Windows 9x installations.
SMMU [archive]
Source code to the SMMU source port.

Also:

Microsoft Advisor Help Files
Help files from old Microsoft software converted to HTML.