VOCALOID is a singing synthesizer. It uses synthesizing technology with specially recorded vocals of voice actors or singers. To create a song, the user must input the melody and lyrics. A piano roll type interface is used to input the melody and the lyrics can be entered on...
Synthesizer V is a vocal synthesizer developed by Kanru Hua, aiming for "artistic perfection of artificial voices".
Synthesizer V vs UTAU opinions
The voices are very limited in style and you can't add your own ones.
It has a perpetual free trial, the engine/resampler is on par with Vocaloid's quality, and it's easy to use - you don't have to learn about a lot of technical things like you do with UTAU. As of April 2019, it now supports English, Japanese and Chinese.
it produces very nice English Vocals, it has a bit of a learning curve. It is better if you want English vocals but as of November 2, 2018 there aren't any Japanese vocals or any other languages.
Cadencii is a program that allows cross-importation of vocal MIDI, VSQ, UST, and VSQX files. It supports both UTAU and Vocaloid voice banks.Discontinued
The program is no longer updated. Last version, 3.4.1, released in August 2011, can be still downloaded from the official website.
Cadencii vs UTAU opinions
It supports Vocaloid voicebanks as well as UTAU ones already making it a better alternative. It also has the Vocaloid 2 interface which makes it easier to use. If you want an easier interface to use your UTAU on, this is one. The only downside is that it has a bit of an obnoxious metallic noise for some voicebanks.
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.
Alter/Ego is based on the award winning technology featured in chipspeech but instead of targeting Vintage voice technology, it focuses on more ‘modern’ (1990+) singing synthesis algorithms and research.
chipspeech is a vintage-style speech synthesizer which recreates the sound of famous 80's voice synthesis chips. It features 12 different voices, each with its own characteristic timbre. It is specially tailored for musical needs – simply type in your lyrics, and then play...
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.This app doesn't have any features at the moment.