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Ficl is a programming language interpreter designed to be embedded into other systems as a command, macro, and development prototyping language. Ficl is an acronym for "Forth Inspired Command Language".
- Simplified BSD License
Janet is a functional and imperative programming language and bytecode interpreter, that makes a good system scripting language, or a language to embed in other programs. It is a modern lisp, but lists are replaced by other data structures (arrays, tables (hash table), struct (immutable hash table), tuples). The language also supports bridging to native code written in C, meta-programming with macros, and bytecode assembly.
- MIT/X11 License
Ruby creator Matsumoto Yukihiro's mruby is the lightweight, embeddable implementation of the Ruby language complying with part of the ISO standard.
- MIT/X11 License
Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses, including web and desktop applications, networking, administration, testing and many more.
- Tcl/Tk License