Emvoice is described as 'We're building a Text-to-Voice engine that can sing and speak expressively. We're giving music producers access to the only virtual instrument they lack: the human voice' and is a Text to Speech service. There are more than 10 alternatives to Emvoice for Windows, Mac, Linux, Web-based and Arch Linux. The best Emvoice alternative is OpenUTAU, which is both free and Open Source. Other great apps like Emvoice are VOCALOID, Synthesizer V, RenoidPlayer and UTAU.
eCantorix is a singing synthesis frontend for espeak. It works by using espeak to generate raw speech samples, then adjusting their pitch and length and finally creating a LMMS project file referencing the samples in sync to the input file.
