Audacity is a free, open source, and cross-platform audio and music editor.
Easily change pitches and chords in vocals and other audio using state-of-the-art tuning algorithms.
A Pitch Correction LV2 plugin derived from AutotalentThis plugin should work basically the same as Autotalent except: It is an LV2 plugin instead of an LADSPA plugin
AudioRetoucher is a tool for analyzing music, changing tempo and pitch in real time.
To make music.
With GSnap you can get an auto-tune effect. It can be used subtly to correct the pitch of a vocal, or, with more extreme settings, to create a robot-voice effect.
The original pitch and time correction audio plugin for finely-tuned vocal pitches and voice effects.
NewTone is a pitch-correction and time manipulation editor that allows to slice, correct, edit vocals, instrumentals and other recordings.
Slow down music, change pitch, adjust EQ, loop with increasing tempo, mark points, create and save lists of tracks, easy and enjoyable to use.
Graillon is a Vocal Live Changer that brings a world of possibilities right into your DAW, with carefully designed features:
Revoice Pro is an audio plugin used for vocal tuning, time correction and ADR. Revoice tightens timing, pitch
and vibrato for vocals or solo instruments. Revoice Pro is used by top producers around the world such as Adele's producer.