There is no god.
I have no use for programs that require faith to produce results.

General Programming

• Extreme Programming
• Semantics of Floating Point Math in GCC
• GDB - The GNU Project Debugger

People

• Peter van der Linden - He wrote Expert C Programming: Deep C Secrets, one of the best programming books I've ever read.
• Paul Graham - He writes very insightful essays on computing and related subjects.

Ada

• Ada Tutorial
• Ada '83 Rationale
• Ada Information Clearinghouse
• AdaPower - Ada Books Online
• Emacs Ada mode
• Ada Home
• Ada FAQ
• GNAT Pro User's Guide
• GNAT Pro Reference Manual
• Ada 95 Reference Manual

C

• cprogramming.com

Fortran

• User Notes on Fortran Programming
• Fortran 77 Reference
• Professional Programmer's Guide to Fortran 77
• The Intel Fortran Compiler for Linux
• Intel Fortran Documentation
• gfortran manuals
• User Notes on Fortran Programming

Lisp

Perl