ELCO stands for Embedded Lisp COmpiler or Esdens Lisp COmpiler. The goal is to create a lisp compiler for embedded 32bit architectures. (i.e. ARM) With this compiler you are able to write lisp code on a naked chip. No OS needed.
IGL (Intuition Graphics Library) is a TurboPascal Graphics library which implements a "Amiga-a-like" interface.
IGL is an inactive project (since 1991)