Software

MySQL
MySQL - a cheap and cheerful open-source database. But if you have the money and you want real performance, scalability and control, then Oracle should be your first choice.
SQL Server
SSRS

Useful tricks to get the most of this Reporting tool
Linux HowTo's

My collection of HowTo's on Linux. My favourite Linux Distribution is Gentoo www.gentoo.org for servers and Sabayon www.sabayonlinux.org for desktop machines and laptops.
SSIS
Approaches and code for SSIS 2005 - the ginger-haired stepchild of Microsoft
Windows
Evil things that you can do with an evil O/S.
Perl
Practical Extraction and Report Language, initially designed for processing text, but now used for nearly everything. It is the language that glues the Internet together. Above all, it is a joy to use.
Oracle
Grizzly experiences from using an Oracle Database.
Scheduler
An Enterprise Scheduler with many features etc...

Hoekstra (UK)