Audio
MeloTTS
MeloTTS — multilingual text-to-speech for English, Spanish, French, Chinese, Japanese and Korean.
★ 7.7k starsMIT
View guide →MaryTTS — open-source, multilingual text-to-speech platform written in pure Java
marytts is an open-source audio project by marytts (marytts/marytts on GitHub). It has 2,582 GitHub stars and 771 forks, is released under the NOASSERTION license, and was last updated on GitHub on 17 January 2025.
Decide whether you will run the standalone server (easiest from the releases page) or build from source / embed MaryTTS in a Java project.
Download a ready-to-use package from the GitHub releases page, or clone the source repo.
From source, run it with Gradle; optionally start the voice installer GUI to download more voices, then restart the server.
Open the server at http://localhost:59125, or send it an HTTP synthesis request from Python/shell using the linked txt2wav examples.
The whole client-server system is written in pure Java and runs wherever a JVM runs.
Designed as a multilingual TTS platform with downloadable voices; the default artifact referenced in the README is a US English HSMM voice.
Any programming language can synthesize by compiling, starting the server and querying it over HTTP (examples for Python 3 and shell are linked).
./gradlew runInstallerGui downloads and installs additional voices (restart the server to use them).
Declare a dependency on MaryTTS voice artifacts to use it inside your own Java projects.
Gradle tasks (distZip/distTar/installDist) build a standalone server distribution, and user dictionaries can extend pronunciations.
Clone MaryTTS (or download a ready package from the releases page instead).
git clone https://github.com/marytts/marytts.git
cd maryttsCompile and test all modules and create outputs under build/.
./gradlew buildStart a MaryTTS server and open it in your browser (port and address are configurable with -Dsocket.port/-Dsocket.addr).
./gradlew run # http://localhost:59125The marytts open-source project maintains it; it originated from DFKI's MARY platform (older docs at mary.dfki.de and the marytts-wiki).
Yes — the README states the code is under the LGPL version 3 license. (GitHub's license field shows NOASSERTION; the README/license file states LGPL-3.)
No — synthesis runs locally on your own server; there is no cloud API involved.
pyttsx3 wraps your OS's voices in Python and gTTS calls Google Translate's endpoint. MaryTTS is a standalone multilingual server platform you host, with its own downloadable voices and an HTTP API for any language.
Download the release package or clone and run ./gradlew run, then open http://localhost:59125.
MeloTTS — multilingual text-to-speech for English, Spanish, French, Chinese, Japanese and Korean.
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Free and open — grab the source, star the repo, and start creating.