LoopMIDI creates virtual MIDI ports so apps can send/receive MIDI between each other. It’s lightweight, free, and commonly used for routing MIDI from controllers, DAWs, and software instruments on Windows 11.
For long-time users, an interesting technical development in Windows 11 is the fix for Dynamic Port Enumeration loopmidi windows 11
Windows 11 introduced several changes to audio and MIDI handling, including improved native MIDI 2.0 support. However, the core limitation remains: Windows does not ship with internal MIDI routing capabilities. While macOS has the built-in "IAC Driver" (Inter-Application Communication), Windows users have historically relied on third-party tools. LoopMIDI on Windows 11 — Overview & setup
has been the gold standard for connecting music software. However, recent major updates to the Windows MIDI architecture—specifically the rollout of Windows MIDI Services In Vital (standalone): Create Ports: Open the loopMIDI
Create Ports: Open the loopMIDI configuration window. Click the "+" button to add a new port. You can name these ports anything (e.g., "DAW Bridge" or "Synth Link").