While there is no legal "free download link" for Pitcher as a standalone VST, it remains one of the most powerful tools in a producer's arsenal. If you're an FL Studio user, it's worth the upgrade. If you’re on a budget, grab or MAutoPitch —they’ll get you 90% of the way there without the risk of a virus.
Achieve that hard-tuned, robotic vocal style by turning the speed to "Fast." pitcher vst plugin free download link
While primarily a mobile app, Voloco has a free desktop VST version. It is an "instant confidence" vocal processor that does pitch correction, harmony, and reverb in one box. The free version adds a synthetic "voice synths" layer but is perfectly usable. While there is no legal "free download link"