A Perl based interpreter for a language which is a blend of Forth and APL. The power of lang5 stems from its arrays operations in conjunction with the underlying Forth programming paradigm of bottom up programming.
Tcl/Java consists of two pieces of software. Jacl is an
implementation of a Tcl interpreter written entirely in
Java. Tcl Blend is a Tcl extension that provides access
to Java from inside Tcl. One can prototype Java code
using Tcl, and much more.