Software

• Active Directory
• ASP.NET
• OpenGL
• SSL Certificates
• ESRI
  • ESRI Silverlight & WPF
• GIS
  • DeepEarth -CodePlex Silverlight control - Online Demo
  • OpenStreetMap.org
• Google Chrome
• Log4net
• Microsoft Windows
• Windows Server 2008
• Office 2007
  • OpenXML
• MOSS 2007
• SharePoint 2010
• PerformancePoint 2010
• InfoPath 2010
• Microsoft Patterns & Practices
  • CAL (Composite Application Library)
• DevExpress
• Microsoft LINQ
• Entity Framework 4 (EF)
• Microsoft Workflow Foundation (WF)
• Windows Identity Foundation (WIF)
• Windows Communication Foundation (WCF)
• Windows Presentation Foundation (WPF)
• Windows Management Instrumentation (WMI)
• Microsoft Remote Desktop (RDP)
• Windows Phone 7 (WP7)
• Silverlight
  • Silverlight Desktops:
    • https://www.wiki-os.org/
    • http://silveos.com/
• .NET
• .NET AOP
• .NET & Memory Leaks
• Oracle
• Paint.Net
• Physics Engines
• Powershell
• SMO
• SQL Server
• SQL Server Analysis Services
• SQL Server Reporting Services
• T4
• Enterprise Architect
• VS 2008
• VS 2010
  • C#
• Microsoft TFS2010

• Resharper
• Security

Mobile

• Mono / Xamarin

Linux

• Webmin
• New Linux Disk

Web

• Which CMS
• Worldwide browser market share: January 2011 (ArsTechnica)
• HTML
• HTTP
• Javascript
• IIS / Web Development
• Web Video

Standards

• UPnP/DNLA

Google

• Google Maps

Media Servers

• MythTV
• MediaTomb
• MiniDLNA

UsefulWare

• AddInSpy - provides details of Office 2007 Addins
• CPU-Z
• Flash Video Player (.flv player - VLC)
• Paint.Net
  • .ico and .cur Paint.Net addin
• Unlocker - unlock locked Windows files
• Windows Grep
• How to make a 7-Zip Switchless Installer
• ImDisk RAMDisk virtual disk driver Supports 32&64 bit incl Windows 7, GPL open source.

Free Open Source Icons

• Nuvola (Wikipedia)
• Open Clipart Library (Wikipedia)
• LGPL license playing cards, SVG format
• http://www.iconarchive.com/ - not sure about licensing

Royalty-free Vectors

• http://www.vectorstock.com/free-vectors