Lightning-fast, on-device TTS — running natively via ONNX. - supertone-inc/supertonic

Supertonic is a lightning-fast, on-device text-to-speech system designed for extreme performance with minimal computational overhead. Powered by ONNX Runtime, it runs entirely on your device—no cloud, no API calls, no privacy concerns.

QuickPiperAudiobook is a command-line tool that uses the Piper text-to-speech engine to convert various input formats (including PDF, EPUB, and TXT) into a natural-sounding audiobook with one simple command, operating entirely offline for privacy.