For a C/C++ like syntax there is also https://github.com/mingodad/ljs https://github.com/mingodad/ljs and ljsjit and also https://github.com/mingodad/squilu htt

For a C/C++ like syntax there is also https://github.com/mingodad/ljs https://github.com/mingodad/ljs and ljsjit and also https://github.com/mingodad/squilu https://github.com/mingodad/squilu a variant of Squirrel with more C/C++/Java/CSharp/Javascript syntax.