!MidiMon
MIDI monitor and virtual keyboard controller for RISC OS. Designed to use USB-enabled MIDI modules; may function with legacy hardware but this compatibility is untested. Also available through !PackMan package manager's default ROOL repositories.
!TBPTest
Test and example application for the riscos-toolbox Python library. This currently is very much a living thing that is being developed alongside riscos-toolbox, and some parts currently may be broken.
!RLook
Disc image explorer for Roland 12-bit samplers. A RISC OS port of R-Explore. Largely unfinished while the Toolbox library catches up.
!LameIt
Simple (and somewhat wonky) GUI frontend to LAME created solely using the FrontEnd module.