For , your best and most stable options are:
If you are still running the legendary Adobe Audition 1.5 (Cool Edit Pro mode), finding a working Auto-Tune VST is like hunting for vintage gear. It works beautifully— if you use the right era of plugin. Modern Auto-Tune (versions 7, 8, 9, 10+) will not load. You need Auto-Tune 4, 5, or the original Auto-Tune 5 TDM/RTAS-to-VST wrapper to get results. Autotune Vst For Adobe Audition 1.5