EXSLT.NET 1.1 released
EXSLT.NET library is community-developed free open-source implementation of the EXSLT extensions to XSLT for the .NET platform. EXSLT.NET fully implements the following EXSLT modules: Dates and Times, Common, Math, Random, Regular Expressions, Sets and Strings. In addition EXSLT.NET library provides proprietary set of useful extension functions.
Download it from here and read the documentation here.
[Via Oleg]
Sonu