This page's audience our own tag's counts — open to see them

Period

–Visits

–Page views

–Clicks to vendors

–Time on page

–Reading now

Clicks to vendors, by tool

Top countries

Devices

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

MaryTTS

Free#152 of 222 in Text-to-Speech Software

MaryTTS: A self-hosted Java TTS platform for developers who need configurable synthesis. Ranked #152 of 222 in Text-to-Speech Software by our editors (3.0/10); pricing: Free plan; best for java developers building customizable TTS systems.

3.0/10Editor score

Visit MaryTTS

MaryTTS3.0 Visit MaryTTS

At a glance

Editor score
3.0 / 10
Pricing
Free plan
Best for
Java developers building customizable TTS systems
Free plan
Yes
Paid from
Free
Commercial use
Yes
Facts checked
20 Sep 2026

Where it wins
- Open-source multilingual synthesis with local and client-server deployment
- Supports SSML, MaryXML, HTTP requests, and configurable voices
- Includes language, voice-building, preprocessing, and audio-effect tools
Where it doesn't
- Java-based architecture may not suit teams seeking a modern managed service
- Voice licenses can differ from the runtime license
- The main downloadable release dates to 2016

Our verdict on MaryTTS

MaryTTS is an open-source, multilingual text-to-speech platform written in Java. It is designed for developers, researchers, and organizations that want to run speech synthesis locally or expose it through a client-server system. The platform supports web, Windows, macOS, Linux, API, and self-hosted use, with synthesis available through HTTP GET and POST requests. Its language coverage includes European, Asian, and English variants, while its tooling supports custom language work and voice creation.

Its strongest differentiator is depth for teams that need to shape the synthesis pipeline rather than only submit text to a hosted endpoint. MaryTTS includes text preprocessing and normalization, part-of-speech tagging, syntactic chunking, and grapheme-to-phoneme conversion. It also supports SSML and MaryXML, configurable voices, audio effects, and voice installation through an installer GUI. Voice-building toolkits and custom language support make it relevant to research and specialized applications, although they also imply more technical involvement than a simple cloud TTS interface.

The platform fits organizations that value open-source control, Java integration, API access, and self-hosting. Commercial use is permitted for the runtime, while individual voices may have separate licenses that require review. The main downloadable release is version 5.2 from 2016, and the repository lists maintenance release 5.2.1. MaryTTS is therefore a sensible choice for teams prepared to maintain a Java-based system and customize voices or languages. Teams seeking modern managed AI features, a hosted-first workflow, or a low-maintenance setup should look for an alternative.

Your product? Our editors can test MaryTTS in depth and publish a review, labelled as paid · from $149/mo →

MaryTTS pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on marytts.github.io

MaryTTS fact sheet

Free plan	Yes
Paid from	Free
Commercial use	Yes
Voice cloning	Not verified
API access	Yes
Languages	Not verified
Maximum input	Not verified
Export formats	WAVE
Platforms	web, windows, macos, linux, api, self_hosted
Deployment	Self-hosted, Browser extension
Platforms	Web, Windows, macOS, Linux
Support	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan
Website	marytts.github.io
Facts checked	20 Sep 2026

Alternatives to MaryTTS

See all MaryTTS alternatives →

Used MaryTTS? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used MaryTTS for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Title

Your review

0 characters · at least 80, up to 3,000

Pros (optional · one per line)

Cons (optional · one per line)

Your name (shown with your review)

Role (optional)

Company (optional)

How long have you used it?

I've used MaryTTS myself and this is my honest opinion — nobody paid or asked me to write it.

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

MaryTTS is listed in our Text-to-Speech Software directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/marytts/"><img src="https://www.itechguides.com/best/badge/marytts.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update