Informatica
Programming and Software Development
Literate Programming
Reciprocality
Praxis
UML Central – Embarcadero Tech
Java
Java Developer Services – Sun sponsored
Java Developers [sic] Almanac – a useful site, even if the apostrophe is missing
Java Developer's Journal
JavaRanch – resources, tutorials, forum
JavaWorld
jGuru
ONJava.com – O'Reilly Network
Sun J2SE SDK Documentation – version 1.4.2 (API)
Perl
Perl Language Page
Mother of Perl
XML and SOAP
Apache XML – Xerces, SOAP, etc.
SOAP and WSDL – Microsoft
Overview of SOAP – Sun
SoapWare.Org
Using SOAP with Tomcat – O'Reilly Network, Feb. 27, 2002
Web Services – IBM developerWorks
Webservices.Org
W3C SOAP 1.1 – documentation
XMethods – Web Service Listings
Other Languages and Tools
ASN.1 Information site
CodeGuru
Developer.com – Java, Perl and other useful stuff
DevX.com
IBM developerWorks
InstallShield Support
InstallSite – InstallShield and related information
PHP Home Page
RDBMS
Firebird – opensource version of Interbase
MySQL
Oracle Tips and Answers
Web Development
A List Apart – website development newsletter
Bare Bones Guide to HTML
Builder.com – ZDNET site
The Daily Report – by Jeffrey Zeldman
HTML Goodies
Netcraft – web server information
NetMechanic
OWASP – Open Web Application Security Project
Web Developer's Virtual Library
Webmonkey
WebReference [TM]