It is sometimes the case that one needs to generate scores with traditional musical notation from with a Pure Data patch. The “notes” external object for Pure Data fits information generated on a patch into traditional music notation, and encodes it in Lilypond syntax. Find the library here.

Raspberry Pi GPIO Externals based on WiringPi for Pure Data (Pd) These externals use the WiringPi GPIO access library for the Raspberry Pi.Written in C it provides faster access than python and the ability to embed it in Pd. Just like WiringPi, it’s released under the GNU LGPLv3 license. Find them here