This project was started at in 2016 when many speech and singing voice synthesizers were non-free software. The only free one of that time, Cadencii is too complex and originally only ran on Windows. It was later ported to Unix and GNU/Linux systems.

To contact us please send email to the qtau-dev mailing list or one of the other mailing lists. The source code of QTAU and other PraatLoid projects can be found on Codeberg.