Audio/Music Industry Associations

http://www.aftra.com
http://www.aes.org
http://www.riaa.com/

Open-Source PBX Software – Asterisk

Open source PBX software
http://www.asterisk.org/

Microsoft CodePlex

CodePlex is Microsoft’s open source project hosting web site. You can use CodePlex to create new projects to share with the world, join others who have already started their own projects, or use the applications on this site and provide feedback.

http://www.codeplex.com/

Netiquette

This would be great reference material for new hires and perhaps setting policies/guidelines on Internet usage in the work environment.
http://tools.ietf.org/html/rfc1855

Microsoft Steady State

http://www.microsoft.com/windows/products/winfamily/sharedaccess/default.mspx