StackExchange.Redis is a high performance general purpose redis client for .NET languages (C# etc). It is the logical successor to BookSleeve, and is the client developed-by (and used-by) Stack Exchange for busy sites like Stack Overflow. For the full reasons why this library was created (i.e. “What about BookSleeve?”) please see here.
StackExchange.Redis can be installed via the nuget UI (as StackExchange.Redis), or via the nuget package manager console:
PM> Install-Package StackExchange.Redis
FLUSH*? - how to use server-based commands
StackExchange.Redis.Testssuite to validate changes