PG-298 is a project mainly written in Pure Data, it's free.
PG-300-style programmer for the Roland Alpha Juno, made with Puredata-extended 0.42.5
A PG-300-style programmer for the Roland Alpha Juno
Made using , Puredata-extended 0.42.5 If you are using this on a mac you may need to point PD to your IAC bus and then route it to Juno with a program like MIDIPatchbay ( notahat.com/midi_patchbay )