audiblez and audible-epub3-maker
The first tool is a mature, production-ready audiobook generator with broad adoption, while the second is a specialized alternative that targets EPUB 3 Media Overlays format specifically and offers premium TTS engine options, making them competitors with different feature trade-offs rather than complements.
About audiblez
santinic/audiblez
Generate audiobooks from e-books
Leverages the Kokoro-82M text-to-speech model (82M parameters, Apache-licensed) to synthesize natural-sounding speech across 9 languages with adjustable playback speed. Supports both CPU and CUDA GPU acceleration, with optional interactive chapter selection and a wxPython GUI, outputting standard m4b audiobook files compatible with standard players.
About audible-epub3-maker
funway/audible-epub3-maker
Generate audiobooks from plain EPUB files in EPUB 3 Media Overlays format (SMIL) using high-quality TTS engines like Azure and Kokoro.
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