MAutoPitch is a highly versatile, free automatic pitch correction plugin included in the Melda Free FX Bundle.
If you are looking for zero-cost options that offer real-time vocal tuning, these are the most highly-regarded plugins: Auburn Sounds Graillon 2 (Free Version) waves tune realtime plugin free top
Allows users to play specific target notes via a keyboard in real time. MAutoPitch is a highly versatile, free automatic pitch
If a singer has trouble with hard consonants, place a very light, natural corrector (like Pitch Cure) first, followed by a harder corrector if needed. MAutoPitch is a highly versatile
As for top alternatives to Waves Tune Realtime Plugin Free Top, some popular options include:
Built-in formant shifting and stereo widening controls.
The plugin focuses on immediate, automated pitch correction with a streamlined interface: