With and these steps, you can achieve professional-sounding pitch correction in Audacity completely free. While the workflow is a bit manual (no real-time tracking), the results rival paid plugins when used carefully.
Free Autotune Plugin - MAutoPitch | Free Plugin Friday Ep. 15 free autotune plugin for audacity
Audacity is a powerful, open-source audio editor, but it lacks real-time effects and native pitch-correction tools like Auto-Tune or Melodyne. However, you can use (or legacy VST2) plugins to add pitch correction. The best free option is Graillon 2 (Free Edition) by Auburn Sounds. With and these steps, you can achieve professional-sounding