SqlFun (nuget): SqlFun is a tool for writing data access code in F# functional way.  It's fast, type safe and gives you all powers of SQL, no custom query language constraints you.  It's also lightweight, you need to know a general idea and few functions (and, of course SQL).
Keywords: microorm|orm|f#|fsharp|sql|sqlserver|dataaccess|datamapper|data|access|mapper|async|data-access|functional-programming|micro-orm|reader-monad|sql-query