GPUTILS is a collection of tools for the Microchip (TM) PIC microcontrollers.
It includes gpasm, gplink, and gplib. It's distributed under the terms of
the GNU Public License. See the gnupic page (http://www.gnupic.org/) for
other GNU PIC tools such as gpsim, a gputils compatible simulator.

Homepage:
https://gputils.sourceforge.io/
