PocketC for WindowsCE is an easy development tool for WindowsCE-based devices
PocketC for WindowsCE is an easy-to-use development tool for WindowsCE-based devices. PocketC is available in two forms: a device-based compiler, and a desktop environment. The device-based compiler supports many versions of CE devices including PocketPC, HPC2000, HPCPro, PalmsizePC and HandheldPC.

Features
Simple language to learn and program
True (non-native) compiler, allowing you to save/share only the compiled applet if desired
Invisible data-type conversions to ease programming
Rich Function Library including graphics, sound, database, file, and serial I/O
String data type (which is, sadly, missing from C)
Generating CPU Independent software with extremely small file size.
Dynamic memory allocation
COM support - allow you to call COM objects on the CE devices you can free download PocketC for Windows CE 1.0 now.