Development

• CruiseControl.Net - .NET based continuous integration server
• nAnt + nAntContrib - .NET Build tool
• nDepend - Tool for analyzing dependencies between .NET assemblies and producing code metrics
• nHibernate - Object-Relational Mapper (ORM) for .NET
• nProf - .NET Profiler
• nUnit - Unit testing framework for .NET
• nCover - Unit testing coverage analyzer for use with nUnit
• nUnitForms - An NUnit extension for unit and acceptance testing of Windows Forms applications.
• ReflectorEssential tool for 'de-compiling' .NET assemblies
• Resharper - Refactoring and productivity add-in for Visual Studio
• IE Developer Toolbar
• Paint.Net - Powerful, free drawing package
• Antlr - parser generator - Lexer/Parser Generator
• GhostDoc - Free add-in for Visual Studio that automatically generates XML documentation comments for C#
• MSBeeMSBuild utility to build .NET 1.1 assemblies from a Visual Studio 2005 project
• MetaEdit 2.2 - IIS Metabase editor

Development Environment and Deployment Tools

• Subversion - Open source, version control system
• TortoiseSVN - A Subversion client, implemented as a windows shell extension.
• WinMerge - An Open Source visual text file differencing and merging tool
• Beyond Compare - A commercial alternative to WinMerge
• BugTracker.NET - Open source, web-based bug tracking system
• Reggie - Regsvr32 replacement
• XmlPreprocess - Tool to preprocess annotated XML files to target a particular environment
• Visual Sourcesafe Bindings Remover

General

• gmail Notifier
• Google Desktop
• Powershell
• Process Explorer - A better Windows Task Manager
• Regulator - Regular expression tester
• TextPad - Text Editor/li>
• TreeSize - Disk space analyzer