YAPICCC - YetAnother PIC C Compiler - it's a command-line C compiler developed to build programs to Microchip PIC devices. Please visit the project Home Page for more information.
yapm is a packaging system to automate the generation of Makefiles and rpm.spec files for developers. I will not be working on it again, as i have dumped my redhat distro (and other rpm based distro's) for gentoo