- expat
- James Clark's XML parser in C
- Business-ISBN-1.0
- brian d foy comdog@computerdog.com's ISBN handling
perl code, useful for re-checksumming EAN's into ISBN's
- isbn.el
- Nelson H. F. Beebe's elisp code for handling ISBN's
- YAZ
- YAZ is the Z39.50 tookit from Index Data, Copenhagen
(info@index.ping.dk)
- mod_search.c
- Apache search module that uses the YAZ Z39.50 toolkit to
gateway http to Z39.50, as used by LoC and others
- libwww-perl
- Perl libraries for general web walking and web page
manipulation, from http://www.linpro.no/lwp/.
- flatbed upc software
- http://www.adams1.com/pub/russadam/share.html
- zeta perl
- pure perl Z39.50 code