Piper Plus

MIT commercial OK Credit: Not required verified 78d ago Go to source

MIT fork of archived rhasspy/piper — local neural TTS (JA/EN/ZH/KO/ES/FR/PT/SV) without espeak-ng, positioned for commercial/embedded use. Prefer over GPL piper1-gpl when shipping closed-source games.

At a glance

Licence: MIT what it means
Commercial use: commercial OK
Credit: Not required
Status: active: Licence spot-checked at the source; the entry carries dated evidence.
Verified: 2026-08-24 (78d ago)
Formats: model

Link to this entry

Markdown:

[![Licence read by Free Game Dev Assets](https://tmhsdigital.github.io/Free-Game-Dev-Assets/badge/piper-plus.svg)](https://tmhsdigital.github.io/Free-Game-Dev-Assets/entry/piper-plus/)

HTML:

<a href="https://tmhsdigital.github.io/Free-Game-Dev-Assets/entry/piper-plus/"><img src="https://tmhsdigital.github.io/Free-Game-Dev-Assets/badge/piper-plus.svg" alt="Licence read by Free Game Dev Assets" /></a>

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Notes

Engine/code is MIT (LICENSE.md on dev). Voice/model packs may still carry their own terms — check each HF/model card before bundling.
Compare sherpa-onnx / MeloTTS for alternate local TTS paths. eSpeak NG is GPL-3.0 formant TTS; this fork exists to avoid that copyleft.

Evidence

Repo About + badge: License: MIT; README_EN (2026-08-24): “suitable for commercial and embedded use.”
Live LICENSE.md (dev) (2026-08-24): MIT License, Copyright Michael Hansen / ayutaz — use/modify/sell permitted.

Piper Plus

At a glance

Notes

Evidence

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