This library defines an Interpreter monad. It allows to load Haskell
modules, browse them, type-check and evaluate strings with Haskell
expressions and even coerce them into values. The library is thread-safe
and type-safe (even the coercion of expressions to values).

It is, esentially, a huge subset of the GHC API wrapped in a simpler API.

WWW: http://projects.haskell.org/hint