The best open source alternative to NaturalReader is Read Aloud Extension. If that doesn't suit you, our users have ranked more than 100 alternatives to NaturalReader and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to NaturalReader are Speech Note, Kokoro, RHVoice and eSpeak.
Read aloud the content of any web page with one click using this browser extension for desktop and mobile browsers. Capable of reading in different languages. Speed, pitch and other settings available.
Kokoro is an open-weight TTS model with 82 million parameters. Despite its lightweight architecture, it delivers comparable quality to larger models while being significantly faster and more cost-efficient.
eSpeak is a compact open source software speech synthesizer for English and other languages, for Linux and Windows.
SherpaTTS is an Android Text-to-Speech engine based on Next-gen Kaldi using Piper or Coqui voices.
We're excited to introduce Chatterbox, Resemble AI's first production-grade open source TTS model. Licensed under MIT, Chatterbox has been benchmarked against leading closed-source systems like ElevenLabs, and is consistently preferred in side-by-side evaluations.
Yapit is an open-source TTS platform that makes documents, research papers, and web pages actually listenable.
The eSpeak NG is a compact open source software text-to-speech synthesizer for Linux, Windows, Android and other operating systems. It supports more than 100 languages and accents. It is based on the eSpeak engine created by Jonathan Duddington.
Dia is a 1.6B parameter text to speech model created by Nari Labs. It was pushed to the Hub using the PytorchModelHubMixin integration.
Free open source AI voice cloning and text to speech synthesis. Clone a voice in 5 seconds to generate arbitrary speech in real-time.
Mimic is a powerful TTS tool. Mimic is low-latency and has a small resource footprint. Its range of high quality voices also set it apart from other open source text-to-speech projects.
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