Compare software

NEUTRINO vs OpenUtau: catalog facts
NEUTRINO	OpenUtau
Free Free to download, with the project supported by crowdfunding and sponsors.	Free Free and open source under the MIT licence.
Windows	Windows
Free singing voice synthesis Seventeen voice characters to choose from	Open-source successor to UTAU Works with the UTAU voicebank ecosystem
Official site is mostly in Japanese Web version is still in alpha testing	Requires voicebanks and some setup before first use Documentation lives mainly in the GitHub wiki
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.