Christianity
The Vatican The website of the Holy See. This has a great search feature and has a huge amount of information on it about the church
Office of ReadingsThe daily office of readings on universalis.com
Java
J2SEJava 2 Standard Edition 5.0 API Specification
J2EEJava 2 Enterprise Edition v1.4 API Specification
Jakarta Commons NetJakarta Commons Net 1.4.1 API. This covers FTP and a bunch of other usefull net classes
Jakarta Commons EmailJakarta Commons-Email API version 1.0
Apache AntThe Apache Ant 1.6.5. Manual
Postgresql
Postgresql 8.2Main Documentation link for Postgresql 8.2
Postgresql PerformancePostgresql 8.0 Perfomance Checklist - Go through this when setting up a database
ConnectionPoolDataSourceA Pooling Connection Datasource in the Postgresql Java Interface
Datasource DocsPostgresql Datasource documentation including a simple datasource.
PostGIS ManualPostGIS Manual. PostGIS is an extension to Postgresql that allows GIS (Geographic Information Systems) objects to be stored in the database.
MySQL Gotchas Things to watch out for in MySQL, and reasons to use Postgresql. These all apply to 4.x, but most still exist in 5.0. Note - if you have to change a setting to make your database function in a 'standards' compliant way, then you have a screwed up database, not a feature. Oh, and throwing a warning but doing it anyway doesn't count either.
HTML and Javascript
XHTML 1.0 THE XHTML 1.0 Specification at W3
HTML 4.01 The HTML 4.01 Specification at W3
JavaScript ReferenceThe Mozilla developer center Core JavaScript 1.5 Reference
XML HTTP Request ObjectA very nice guide to using XML HTTP Request Objects
Real Player from JSControlling real player videos from within javascript
Spatial Data
TigerThe TIGER census data
Perl GeocodePerl Module to interpret TIGER Data
Yahoo Goecode APIA Free geocoding service from yahoo, rate limited to 5000 queries per day