Projects

Java library MP3

A Java library to read and modify ID3 and ID3v2 tags on MP3 files and gather extended information about MP3 files.

UPDATE: I have again started development on this library. A new release is available on the project page.
Java MP3 project page

Nightmare's ID3 Tagger

A Windows application to read and modify ID3 tags on MP3 files.
id3tagger

GZIPStat

A PHP script to parse mod_gzip enhanced Apache log file entries.
Info and files are available here.
gzipstat

PJ Modifications and Hints

PJ is an excellent Java library to parse, create and modify PDF files. I have created and collected some modifications to and hints for it.
Modifications and hints