| MASM32 | All you need to program for Win32 (Windows 9x/NT/ME/2000) in assembly language. Free. Used for most of the programs listed on the Homebrew page. | ||
| Tokiwa Basic | A small, free package which compiles BASIC language programs into tiny and efficient executables. Incorporates high precision floating point math. Executables run from Win32 in a DOS window. Used to produce Poisson9. | ||