Graillon 2 Free Edition Graillon 2 Autotune Free And for free DAWs, I recommend my article on the 10 best free DAWs.
If you want to discover even more free plugins, check out my article about the 29 best free VST plugins. And you can always use the free 14-day trial version of Antares and then compare if it is better for your needs than an Autotune Free plugin. While most producers opt for premium autotune plugins like Antares', there are also some very good free autotune plugins that are on par with the paid versions. Vocals in particular are often subject to pitch correction - but this effect can be set to be audible (which is usually intentional in modern pop music) or not (sometimes you don't want the listener to notice that the vocals have been autotuned). Pitch correction has become an integral part of modern productions in the most popular genres, whether pop, hip-hop or R&B.
