Chez Scheme
Chez Scheme is an implementation of Scheme.
Other implementations of Scheme.
Chez Scheme is an example of a compiler. You may find the programming tasks that have been solved using it here.
Chez Scheme is an R5RS compliant compiler for the Scheme programming language. It produces assembly code as output.
Chez Scheme is implemented in Scheme by Kent Dybvig. More implementation details can be found here.