GSnap has been free for over 15 years. It looks like software from 2006 because it is from 2006, but it still works perfectly on modern systems (32-bit only in some versions; get the 64-bit beta from their forum).
| Option | Cost | Legality | Quality | Risk | | :--- | :--- | :--- | :--- | :--- | | Pirated Waves Tune | "Free" | Illegal | 10/10 (if it runs) | Extremely High (Malware) | | Graillon 2 | Free | Legal | 8.5/10 | Zero | | MAutoPitch | Free | Legal | 9/10 | Zero | i--- Waves Tune Real-time Free
Waves Tune Real-Time is a software plugin designed for instant, automatic pitch correction of vocal performances. Unlike standard "offline" pitch correction (like Melodyne), this tool is optimized for ultra-low latency GSnap has been free for over 15 years
Waves occasionally offers a selection of free professional plugins. While the specific lineup changes, keeping an eye on the Waves Free Downloads page is the best way to catch limited-time freebies. Unlike its predecessor, Waves Tune , which is
is a pitch-correction plugin designed for both studio recording and live performance. Unlike its predecessor, Waves Tune , which is a graphical, post-production tool similar to Melodyne, Real-Time works instantaneously. As the singer hits a note, the plugin detects the pitch and snaps it to the nearest semitone (or a user-defined scale) with zero latency.
A popular plugin by Auburn Sounds that offers high-quality pitch shifting and correction. MAutoPitch: