dotPeek is a new free-of-charge .NET decompiler from JetBrains, the makers of ReSharper and more developer productivity tools.

What's Cool about dotPeek?

1. Decompiling .NET 1.0-4.0 assemblies to C#
2. Quick jump to a specific type, assembly, symbol, or type member
3. Effortless navigation to symbol declarations, implementations, derived and base symbols, and more
4. Accurate search for symbol usages
   with advanced presentation of search results
5. Overview of inheritance chains
6. Support for downloading code from source servers
7. Syntax highlighting
8. Complete keyboard support
9. dotPeek is free!