A free, open-source singing synthesis editor designed as a modern successor to UTAU for creating vocal tracks.
OpenUtau is a free, open-source singing synthesis editor designed as a modern successor to UTAU. It provides a feature-rich MIDI editor, extensible phonetic editing, and cross-platform support for creating vocal tracks and covers. The project addresses UTAU's limitations with improved usability, real-time previews, and compatibility with various resamplers and languages.
UTAU users, vocal synth enthusiasts, and music producers looking for an open-source, cross-platform tool to create and tune synthesized vocal tracks.
Developers choose OpenUtau for its modern interface, selective UTAU compatibility, extensible plugin system, and smooth rendering workflow—offering a free, community-driven alternative with better cross-platform support and no locale restrictions.
Open singing synthesis platform / Open source UTAU successor
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Navigate naturally with mouse, scroll wheel, and keyboard shortcuts, offering a smoother experience over UTAU's clunky design, as shown in the editor GIFs.
Runs on Windows, macOS, and Linux without locale changes, eliminating UTAU's system locale restrictions for international users.
Includes real-time phonemizers for multiple languages and phonetic systems like VCV and Arpasing, enabling versatile vocal synthesis across different linguistic needs.
Pre-rendering allows quick vocal previews before playback, saving time during editing and tuning, as demonstrated in the playback GIF.
Only supports minimal mixing features, requiring users to rely on external digital audio workstations for comprehensive audio production, as admitted in the README.
Assumes prior knowledge of UTAU concepts; the README strongly recommends reading wiki pages before use, which can be daunting for newcomers.
Prioritizes modern design over exact legacy feature replication, potentially missing niche UTAU functionalities that some users depend on.
OpenUtau is an open-source alternative to the following products: