The list smallbasic.exe sorted from the highest to the lowest. Lua, but it can do even more, because it has many graphics features implemented. It generates stand alone EXE of about 300Kb.

Powerbasic is a powerfull professional development tool. It comes in two versions: the console compiler and the GUI compiler. It’s a fully object-oriented languages which uses inheritance and polymorphism. Very pretty and featured Basic-like language.

It builds stand-alone EXEs starting from 419Kb. Extremely well built, powerful and complete IDE. It has hundreds of commands and functions. Basic is a true 32 bit compiler. Its amazing feature is the ability to build GUI stand alone EXE in approx. Althought it is not a RAD the working environment is really good. Just BASIC is a free Basic based on a subset Liberty BASIC.