Watch+1.3k this week23,568 · 2,831 forks

Open-source text-to-speech system

Real, but not yet worth your team's attention.

Who it's for

Small teams with custom voice needs

What it replaces

Paid TTS services or manual recording

The catch

Unclear custom license may limit commercial use

Your first hour

Review the LICENSE file carefully

Licence check

Custom / check the LICENSE file. GitHub could not identify a standard licence for this repository, which usually means a custom or source-available one. Read the LICENSE file before you build on it.

This is a reading of the licence label, not legal advice.

The numbers

Stars23,568
Forks2,831
Stars added (7d)+1.3k
Open issues399
LanguagePython
LicenceCustom / check the LICENSE file
Last pushLast push 11 days ago
Project age1.6 years old

Maintainers describe it as: An Industrial-Level Controllable and Efficient Zero-Shot Text-To-Speech System

bigvgancross-lingualindexttstext-to-speechttsvoice-clonezero-shot-tts

index-tts, in short

Should a small team use index-tts?
Watch. Real, but not yet worth your team's attention. Small teams with custom voice needs
What does index-tts actually do?
Open-source text-to-speech system
What does index-tts replace?
Paid TTS services or manual recording
What is the downside of index-tts?
Unclear custom license may limit commercial use
Can index-tts be used in a commercial product?
Its licence is Custom / check the LICENSE file, which carries obligations or restrictions for commercial use. Read the LICENSE file, and get a lawyer's read before you ship it inside a product you sell.

Weighed against

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Stars, forks, licence and last-push data from the public GitHub API, refreshed August 29, 2026. The verdict is NoizeOff's editorial opinion for a team of 2–20, not advice from the project's maintainers, and not legal advice on licensing. We are not affiliated with index-tts.

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