FluidSynth - FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has...
Celemony Melodyne - Celemony Melodyne is the perfect quick and easy tool for all your tuning needs.
ZynAddSubFX - ZynAddSubFX is an open source software synthesizer for Linux, Mac OS X and Microsoft Windows.
Revoice Pro - Revoice Pro is an audio plugin used for vocal tuning, time correction and ADR.
VirtualMIDISynth - VirtualMIDISynth is a software MIDI synthesizer implemented as a Windows multimedia user driver...
CrispyTuner - Fully featured vocal tuning suite.