Controlled Vocabulary – http://controlledvocabulary.codeplex.com
MSBuild Extension Pack – http://www.msbuildextensionpack.com
MSBuild Explorer – http://www.msbuildexplorer.com
Regular Expression Scratchpad – Download [new v2.6]
TFS Build Extensions – http://tfsbuildextensions.codeplex.com
Line Counter – Download [new v3.2]
