VOCALOID - VOCALOID is a singing synthesizer.
UTAU - UTAU or Vocal Synthesizer Tool UTAU is a voice-synthesis software developed by Ameya/Ayame and made...
DeepVocal - DeepVocal is a free to use singing synthesizer application software developed by Boxstar.
Synthesizer V - Synthesizer V: at the Forefront of Singing Synth
Emvoice One - Vocal creation and arrangement tool unlike anything on the market.
CeVIO Creative Studio - CeVIO Creative Studio is a software suite that provides you audio creation and digital signage tools.