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MeloTTS vs Piper: catalog facts
MeloTTS	Piper
Free Free and open source.	Free Free and open source under the GPL.
Linux, Self-hosted, Command line	Windows, macOS, Linux, Command line
Several English accents plus five other languages Runs locally with a Dockerfile provided	Fast enough for low-power hardware like a Raspberry Pi Fully local speech output with no cloud dependency
No voice cloning Requires Python or Docker setup	No graphical interface; aimed at command-line and integration use Voice quality depends on the chosen voice model
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.