Microsoft MSDN
MSDN is an excellent spot to learn programming on the windows system. I always have this site open when I program.
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GameDev.net
A great website, I’d check it out if you want to create a game. There has been a lack of programming articles lately, but still a fantastic site.
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Flipcode
This website is a good spot to go for articles concerning game development and general programming. However, the site is pretty much no more. However a lot of decent articles if a bit dated.
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Doxygen
Very nice tool that you can use to create off-line reference manuals for a project. Its free and open source so I definately recommend it.
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Visual Studio Express Editions
Microsoft has been nice enough to give away the Express Edition of their new Visual Studio for the next year. Definately go and download it now while you can.
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TinyXML
TinyXML is an XML parser that is quite small and very easy to use. I've found that its very helpful for quite a few things.
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iTextSharp
Cool little library for making PDFs in C# apps.
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