4tH compiler

4tH isn`t the only Forth compiler that runs on several systems. However, 4tH takes portability a whole step further. Some C-based Forth compilers need a special C-compiler in order to compile. 4tH doesn`t. It has been compiled using Turbo C, Turbo C++, LCC, DJGPP, GCC, XL C and a bunch of other compilers we probably don`t want to know about.