CrispyTuner (CrispyAudio)
Crowd Chamber (QuikQuak) +PITCHMAP (Zynaptiq)
GSnap (GVST)
Graillon 2 (Auburn Sounds)
Harmony Engine (Antares)
Kerovee (g200kg)
Little AlterBoy (SoundToys)
MHarmonizerMB (MeldaProduction)
MIDI Choir 3.1 (Martin Vicanek)
Manipulator (Infected Mushroom)
Mu Voice 1.4.0 (Mu Technologies)',
OVox Stereo (Waves)
PitchMonster (Devious Machines) + H949 Dual Harmonizer (Eventide)
Pitchproof (Aegean Music)
Pitchwheel (QuikQuak)
Raw voice (flat-tuned with Melodyne)
ReaVoice (Cockos)
ReaVoice (Cockos) + H949 Dual Harmonizer (Eventide)
Sum of 11 to 20
Sum of 2 to 20
VocalSynth 2 (iZotope)
Waves Tune Real-Time Stereo (Waves)