General Programming
CPlusPlus.com: Great resource on C/C++ programming
MSDN.com: Best resource for MS programming - Including
DirectX, C++, C and C#
STL Reference: Best reference for using the
Standard Template Library in C++
Win32 API Tutorial: Nice page for beginning
windows programming
Free Programming Resources: One
stop shop for free programming resources
Sourceforge.net: If you learn by looking at code,
then this is the place to go. Open source projects are in here.
General Game Programming
GDNet: Great place for all things game development related.
Best game development forums I've seen and great columns and tutorials
Devmaster.net: Another great game development resource
Flipcode: A general game programming resource
Game Tutorials: Game programming tutorials for
Windows, OpenGL, DirectX and more.
Gamasutra: Great game development resource. Includes
a "Jobs" and "Companies" section. You can post your resume here. In addition there are
a myriad of articles and tutorials here
Pixelate Online Magazine: Great online magazine for game development
3DBuzz: Great resource for tools such as UnrealEd and 3DStudioMax. This
site contains video tutorials for such tools.
TripleBuffer: Game development resource
Game Development Organizations
Independent Games Festival
International Game Developers Association (IGDA)
Spartasoft
2D Game Programming
JNRDev: Resource for 2D Jump-n-Run game programming
SDL: Simple Directmedia Layer - 2D game programming SDK.
Allegro: Another 2D game programming SDK
Allegro Community Network: Another Allegro resource
DirectX
msdn.com/directx: Here you can find all the documentation for DirectX
32Bits.co.uk: Has good forums and really good DirectX tutorials
DrunkenHyena: Another DX tutorials page done by someone who knows his stuff
Code Sampler: Good tutorials on DirectX and OpenGL
GDNet DX Forum Faq: This forum
FAQ answers lots of DX questions
OpenGL
OpenGL: The official website for OpenGL
NeHe Productions: Probably the most popular OpenGL resource on the web
Online Books:
Online books to get you started(they correspond with OpenGL 1.1)
GDNet OGL Forum Faq: This
forum FAQ answers a good amount of OpenGL questions
Modding
leveldesigner.com:
Designing levels (for engines like Unreal in particular)
UNREAL developer network: #1 resource for Unreal modding
Architectonic: Good Unreal modding website.
Unreal Technology: Another great Unreal modding
site. Contains video tutorials for UnrealEd.
Unreal Wiki: "The Unreal Wiki is an open, collaborative site,
aiming to gather reference, tutorials and ideas for the Unreal engine. It is written by a large number of mappers, coders
and modellers. Everybody is invited to contribute; everybody is an editor including you!"
VERC Collective: #1 resource for Half-Life modding
Tools
Blender3D: Free 3D modeller.
3D Studio Max: 3D modeller for those with money
TrueSpace: Another 3D Modeller
GameSpace A 3D modeller by the makers of Truespace. This one is more game-oriented and more affordable.
Maya: Another expensive 3D modeller
Photoshop: Probably the best (and most complex) image editor around
SoundForge: Pretty expensive (but extremely powerful) digital audio editor
General Resources
findsounds.com: Get sound bytes here
Free Graphical Fonts: Self-explanatory