Retro is a clean, minimalist language with roots in Forth. It supports all major OSes in use today, and was designed to be easy to learn, use, and modify for specific needs.
The Data Language (TDL) is an Interactive Data Language-compatible
incremental compiler. Like Matlab, it is intended for scientific data
processing and visualization. It has a FORTRAN-like syntax, supports
objects, and has powerful array operations.