Pocket Smalltalk
"Pocket Smalltalk is an implementation of the popular programming language Smalltalk for the PalmPilot. It consists of a development environment which runs on Windows 95/NT along with a cross-compiler which can generate 'executable' .PRC files from Smalltalk source code. Pocket Smalltalk makes it easy to develop applications for the PalmPilot. You have the full power of the Smalltalk programming language along with a complete class library. Best of all, Pocket Smalltalk creates small, standalone executables. No runtime libraries are required."