Lynis - Security auditing tool for systems running Linux, macOS, BSD, and other UNIX-based systems.
TouchOSC - Modular OSC and MIDI control surface for iPhone / iPod Touch / iPad / Android
Silverback - Silverback 3
Open Stage Control - Libre and modular OSC / MIDI controller
Chkrootkit - Chkrootkit is a Linux tool to locally check for signs of a rootkit. It contains:
Lemur - Lemur, the professional MIDI and OSC controller app that doesn't cut corners, has evolved.