mnet / MIDIHub

RTP and multicast MIDI driver for Windows originally created 2013 in support of TouchDAW.
No longer functional on Windows 11 with 2026's MIDI Service, but still available for older systems.

Wormhole

A simple MIDI loopback cable for Android.
Provides a MIDI 1.0 and (on Android 15+) an additional MIDI 2.0 datapipe to exchange MIDI between apps.