There aren't any. Auto tune is a plugin for your recording software.
A good autotune download will allow your friend to add background music and then edit in her voice afterwards for a more professional result. There are several autotune downloads availabe, and prices vary considerably, so a good shop around is recommended, possibly using comparison sites to find the best deal for her requirements.
There are some websites that offer free, uncopyrighted MP4 downloads. These websites include Mobile9 and MobMP4. There are also MP4 downloaders available online, on such websites as Softonic and CNET.
C++
Autotune is a trademark of Antares, a commercial program. If you are looking for free software, Google "vocal pitch correction".
maby
Free downloads of the Ares software can be found at the official Ares website. Other websites that have the download available include Ares Galaxy and CNET.
Sadly, no. Sadly, no.
There are a few websites available online where you can download Zoombrower EX for free. Some of these websites include Zoombrower EX, Tucows Downloads, CNET Downloads, and Brothersoft.
There are a number of websites that allow one to get free downloads of MP3 player. One can get them from the 'mp3' website. One can also get free downloads from 'BearShare'.
You can find free downloads of chess books on websites like Chess.com, Chessable, and Project Gutenberg.
Some websites where you can play free online board games with no downloads required include Board Game Arena, Pogo, and Tabletopia.