Supertonic
github.com/supertone-inc/supertonic- Category
- AI Tools
- Type
- APP
- Builder
- supertone-inc
- GitHub
- 13.6k stars
- Added
- Jun 16, 2026
About
A lightning-fast, on-device, multilingual text-to-speech engine running via ONNX.
Why it made the leaderboard
On-device multilingual TTS from Supertone that runs via ONNX: 31 languages, cross-platform SDKs, and a Voice Builder for custom voices — no API calls, no per-character billing, nothing leaves the device. Speech synthesis for privacy-sensitive and offline products.
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