Open-source video dubbing — translate any video into 33 languages with native-sounding voice-over and synced subtitles.
Violin is a Video generation product. It focuses on automating the process of dubbing and translating videos into multiple languages with synchronized subtitles. It is built as an open-source project for developers working with video translation and dubbing. Violin is open source under the MIT license. The product ships for the web and the command line, and it can be self-hosted.
It is developed by shang-zhu, and the product first shipped in 2026. Development happens publicly on GitHub with 931 stars and 16 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — Violin occupies a relatively distinct niche. Key capabilities include video dubbing, voice-over, and subtitle syncing.
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