Audacity Autotune [patched] -

Autotune is a software plugin that corrects pitch issues in vocal recordings. It was originally designed to subtly adjust pitchy notes in vocal performances, but it has since become a popular creative tool for producing distinctive, electronic vocal effects. Autotune is widely used in music production, particularly in the pop, hip-hop, and electronic genres.

Great for fixing one bad note. Terrible for doing an entire verse. audacity autotune