2 Open Source Alternatives to Google Text-to-Speech

There are 2 open-source alternatives to Google Text-to-Speech in this directory. The most popular is TTS with 38.4k GitHub stars, followed by Csm(11.2k stars). All are open source, free to use, and many can be self-hosted.

Quick comparison

Open-source alternatives to Google Text-to-Speech, ranked by GitHub stars
#ToolStarsLanguageLicense
1TTS

A deep learning toolkit for Text-to-Speech, battle-tested in research and production environments, providing state-of-the-art synthesis and voice cloning features.

38.4kPythonMozilla Public License 2.0
2Csm

A cutting-edge Conversational Speech Generation Model designed for creating realistic and engaging speech outputs.

11.2kPythonApache License 2.0

All open-source alternatives to Google Text-to-Speech

Frequently asked questions

What are the best open-source alternatives to Google Text-to-Speech?

The top three are TTS(38.4k stars), Csm(11.2k stars). All are open source and free to use.

Are these alternatives to Google Text-to-Speech free?

Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.

Can I self-host an alternative to Google Text-to-Speech?

Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.

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