Dev tools · alternatives · 2026

24 alternatives to MaryTTS

Open-source, multilingual Text-to-Speech Synthesis platform

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MaryTTS launched in 2016; newer entries below may have overtaken it.

1. 1
   CloudTTS▲79

   Natural voices from text, free speech synthesis

   2023 · cloudtts.com · its alternatives →

2. 2
   OpenAI GPT-4o Audio Models▲379

   Build Powerful Voice Agents

   2025 · openai.com · its alternatives →

3. 3
   I made an open source and local translation app▲236

   A few years ago, right after high school, I decided to try to make a simultaneous translation app for Android as a side project, it took longer than expected (about 2 years) and I had to make a lot of compromises (I had to use Google's API and therefore make users use a developer key because at the time there were no free solutions for speech recognition and translation that had good quality). At the end of university, I decided to pick it up again and finally, using OpenAi's Whisper for speech recognition and Meta's NLLB for translation (with both running locally on the phone), I managed to…

   2024 · github.com · its alternatives →

4. 4
   FreeTTS▲123

   Top TTS converter & audio editor to speed up your workflow

   2024 · freetts.com · its alternatives →

5. 5
   JuliusJS▲94

   A speech recognition library for the web

   2014 · github.com · its alternatives →

6. 6
   Parrot Speech-to-text API▲194

   Fast, accurate STT for production-grade voice agents

   May 2026 · ringg.ai · its alternatives →

7. 7
   Maybloc▲57

   new SOTA for speech-to-text for multi-speaker audio

   8d ago · maybloc.com · its alternatives →

8. 8
   Qwen3-TTS▲155

   Voice design, cloning & 97ms streaming

   Jan 2026 · qwen.ai · its alternatives →

9. 9
   PlayHT-Turbo▲148

   The fastest generative AI Text-to-Speech API

   2023 · its alternatives →

10. 10
    Audiogram Generator▲80

    The future of social audio from WNYC

    2016 · github.com · its alternatives →

11. 11
    Voicera▲72

    Turn natural speech into polished text, perfected with AI

    21d ago · voicera.app · its alternatives →

12. 12
    Transcribe▲115

    A great audio to text tool for journalists

    2014 · transcribe.wreally.com · its alternatives →

13. 13
    Zumbo▲66

    Open source local AI voice-to-text for Mac for private STT

    25d ago · zumbo.app · its alternatives →

14. 14
    Singular▲64

    Mapping the World's Sounds

    2014 · its alternatives →

15. 15
    Murmur▲75

    A private voice-first notepad for your thoughts

    28d ago · murmurr.subhr.in · its alternatives →

16. 16
    iTranslate Voice ▲83

    Instantly speak another language

    2014 · its alternatives →

17. 17
    Speak & Translate▲82

    Instant Voice & Text Translator with Speech and Dictionary

    2015 · bendingspoons.com · its alternatives →

18. 18
    Voiser▲92

    Transform speech-to-text and text-to-speech with AI Power

    2023 · voiser.net · its alternatives →

19. 19
    Wookie Translator▲87

    A simple tool that helps you talk with Chewy

    2015 · reviewsurface.de.com · its alternatives →

20. 20
    VoiSistant▲80

    AI-powered speech to text, tts, & translation Mac app

    Oct 2025 · apps.apple.com · its alternatives →

21. 21
    Pullstring▲96

    Powering computer conversation across all platforms.

    2016 · its alternatives →

22. 22
    Audio Kit▲96

    Open-source audio synthesis, processing & analysis platform.

    2014 · audiokit.io · its alternatives →

23. 23
    Sayonic▲71

    A voice assistant in your Mac's notch that does the task

    24d ago · sayonic.app · its alternatives →

24. 24
    ChatTTS - Natural text-to-speech▲3

    Effortlessly create natural, expressive text-to-speech.

    2024 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →