Apps similar to ChaiScript include JavaScript, which is free and open source. Other options are Lua, Tcl, Wren and Luau. You can choose from more than 10 Programming Languages like ChaiScript for Mac, Windows, Linux, iPad and Android.
Jim is an opensource small-footprint implementation of the Tcl programming language. It implements a large subset of Tcl and adds new features like references with garbage collection, closures, built-in Object Oriented Programming system, Functional Programming commands...
TinyScheme is a lightweight Scheme interpreter that implements as large a subset of R5RS as was possible without getting very large and complicated. It is meant to be used as an embedded scripting interpreter for other programs.
