UtilityMIDI · Velocity
VelCal
SH4DOWSIXIndieAuto
Velocity calibrationPer-key velocity calibration for MIDI keyboards
Free
VST3AURuns on Win · Mac · Linux
Free midi plugins
3 free midi plugins. Added since September 2026, newest first. Formats, OS, price and copy protection for each one.
Plugins
MIDIMIDI · Key detection
Key
Orra AudioIndieAuto
Key finder, chord playerHears the key of any loop, plays its chords
Free
VST3AU+1Runs on Win · Mac
MIDIMIDI · Chord generator
Chordalys Mood
ArtlaceIndie
Mood chord generatorMood-based MIDI chord and phrase generator
Free
Runs on Win · Mac