Daily references for .net developer

Developer reference
All about microsoft SDK is here
http://msdn.microsoft.com/library
If you are looking for something which guides you best practices which will bring you next level of your code quality, here you go.
http://www.guidancelibrary.com/

Javascript/HTML/XML Guide
http://developer.mozilla.org/en/docs/Main_Page

Best developer Tools I like

1. Code generation tools
www.mygenerationsoftware.com/

2. HTML/HTTP Hacks (Web Development Helper)
http://www.nikhilk.net/Project.WebDevHelper.aspx
http://www.microsoft.com/downloads/details.aspx?familyid=e59c3964-672d-4511-bb3e-2d5e1db91038&displaylang=en
https://addons.mozilla.org/en-US/firefox/addon/60 (For Firefox)

3. Javascript compression tool
http://shrinksafe.dojotoolkit.org/

4. File/Folder comparison (source diff)
http://www.sourcegear.com/diffmerge/downloads.html
I will update this post when I have time later.