ReSharper, the ultimate productivity tool for Visual Studio, is not just pre-packaged set of features. ReSharper provides rich platform for intelligent extensions, which can read and modify code and provide even more productivity features to you. I thought I would compile list of known public plugins.
ReSharper PowerToys - cyclomatic complexity analysis, explore type interface, find text, generate ToString, csUnit support. Open Source.
RGreatEx - resource refactoring and string manipulation. Commercial.
MbUnit - support for MbUnit tests in ReSharper Unit Testing subsystem. Open Source
xUnit - support for xUnit tests in ReSharper Unit Testing subsystem. Open Source
NSpecify - support for NSpecify in ReSharper Unit Testing subsystem. Open Source
Agent Smith - naming convention validation, spell checking, xml-comments validation, smart paste. Open Source
Agent Johnson - documents exceptions, batch-annotate with NotNull/CanBeNull, favorite files. Open Source
ARP - log4net and NHibernate support. Open Source
Stefan Lieser’s NHibernate plugin - NHibernate support. Free
Scout - navigate to .NET Framework Reference Source. Open Source
If you know any other public plugins to ReSharper, let us know!