FluidSynth - FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has...
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...
Kontakt - With KONTAKT 6, you can sound like a snare drum, a symphony orchestra, or anything in between, from a universe of sampled instruments.
Zebralette - u-he makes creative software synthesizers and effects.
GSnap - With GSnap you can get an auto-tune effect.