UTAU is a free and powerful singing synthesis software created in Japan.
Best OpenUtau Alternatives ranked by AI · updated Aug 2026
OpenUtau is a free, open-source singing-synthesis editor for hobbyists, composers, and vocal-synthesis users who want broad control over UTAU-compatible voicebanks. It stands out with modern editing features, cross-platform support, and compatibility with a large community voicebank library.
Top 6 OpenUtau alternatives
VOCALOID is a singing voice synthesizer software developed by Yamaha. It allows users to synthesize singing by typing in lyrics and melody.
Emvoice One is a MIDI-controlled vocal synthesizer plugin for musicians, producers, and composers who need sung vocal parts without recording a singer....
Pros
- Piano-roll workflow is more direct than many traditional vocal-synthesis editors
- Runs as a plugin inside major DAWs
- Voicebanks can be purchased individually rather than requiring a large software bundle
Cons
- Fewer voicebanks and language options than VOCALOID or Synthesizer V
- Detailed pronunciation and expression control is more limited than leading editors
- Requires separate voicebank purchases for different vocal identities
Free plugin, voicebanks from $29
Cadencii is a free singing-synthesis score editor for creating note, lyric, pitch, and timing data for compatible voice engines. It is aimed...
Pros
- Free and open-source compared with commercial vocal-synthesis editors
- Supports detailed note, lyric, pitch, and timing editing
- Can work with VOCALOID2 and UTAU-related workflows
Cons
- Older interface and workflow than current vocal-synthesis editors
- Limited compatibility with newer voice engines and formats
- Smaller community and fewer tutorials than VOCALOID or UTAU
DeepVocal is a desktop singing-synthesis editor for composing vocal parts from MIDI-style notes and lyrics. It targets vocal-synth users and supports proprietary...
Pros
- Free editor compared with paid VOCALOID and Synthesizer V editors
- Supports detailed pitch and vibrato editing
- Uses a familiar piano-roll workflow for vocal-synthesis production
Cons
- Smaller voicebank ecosystem than VOCALOID or Synthesizer V
- Less active development and community support than leading alternatives
- Fewer integrations and production tools than mature commercial platforms
Free; voicebanks may cost extra
NEUTRINO is a singing-synthesis engine for creators who want to generate vocals from musical scores and lyrics. It is especially suited to...
Pros
- Free neural singing synthesis with several distinctive voices
- Can produce natural phrasing from prepared musical data
- Useful for scripting and automated vocal-generation workflows
Cons
- Less beginner-friendly than DeepVocal's integrated editor
- Requires more file preparation and external tuning tools
- Smaller voice and plugin ecosystem than VOCALOID
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