Bootstrapping compiler/interpreter
https://c9x.me/qscm/ self-compiling qscm to C compiler
https://github.com/dubek/malc mal to llvm compiler
https://github.com/melvinzhang/meta2-lua converts compiler described in meta2 to lua
http://mainisusuallyafunction.blogspot.com/2012/04/scheme-without-special-forms.html
- metacircular evaluator in two parts
- https://github.com/kmcallister/qoppa
A Minimalistic Verified Bootstrapped Compiler