The eSpeak NG is a compact open source software text-to-speech synthesizer for Linux, Windows, Android and other operating systems. It supports more than 100 languages and accents. It is based on the eSpeak engine created by Jonathan Duddington.
SherpaTTS Alternatives
SherpaTTS is described as 'Android Text-to-Speech engine based on Next-gen Kaldi using Piper or Coqui voices' and is a Text to Speech service. There are more than 50 alternatives to SherpaTTS for a variety of platforms, including Web-based, Windows, Mac, SaaS and Linux apps. The best SherpaTTS alternative is ElevenLabs, which is free. Other great apps like SherpaTTS are NaturalReader, Kokoro, eSpeak and RHVoice.
Alternatives list
- 38 eSpeak NG alternatives
Supertonic TTS is a high-performance, on-device text-to-speech (TTS) system for Android. It uses Supertonic ONNX models to provide high-quality speech synthesis entirely offline, ensuring privacy and availability without an internet connection.


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Free open source AI voice cloning and text to speech synthesis. Clone a voice in 5 seconds to generate arbitrary speech in real-time.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
- Python
Processes both audio and text inputs with a multi-task framework supporting over 30 language and sound tasks, enabling multi-turn dialogue, sound reasoning, and tool use, while excelling in benchmarks without task-specific fine-tuning or retraining.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- FFmpeg
- Python
- PyTorch


Generates realistic AI-driven voice-overs using over 100 voices and 15 languages, converts scripts or personal recordings into pro-quality speech, offers precise timing sync with video or slides, easy script editing, music blending, and secure cloud storage.


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Dia is a 1.6B parameter text to speech model created by Nari Labs. It was pushed to the Hub using the PytorchModelHubMixin integration.




Mimic is a powerful TTS tool. Mimic is low-latency and has a small resource footprint. Its range of high quality voices also set it apart from other open source text-to-speech projects.
Creates natural-sounding speech from text in multiple languages and voices using neural networks, with an advanced browser editor, export options as MP3, WAV, or MP4, SSML formatting, transcription, video recording, customization features, and collaboration tools.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Software as a Service (SaaS)


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TurboTTS is a free text-to-speech online tool. Up to 70 languages, more than 300 types of real-life voices to choose from, simple and easy to use.


- 59 Acapela TTS alternatives
Acapela Group, the leading European voice expert leaning upon 25 years of experience, invents text-to- speech solutions to give your content a voice in up to 25 languages. Our speech solutions allow you to turn any written text into natural speech files, using any of the 50 High...


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Acapela TTS vs SherpaTTS Comments


- Acapela TTS is Paid and Proprietary
With SpeakMyVoice, you're always part of the conversation. Your voice, your story, your freedom.
- Type to Speak: Express yourself effortlessly. Just type, and let our app be your voice, anytime, anywhere.
- Natural Voices: Choose from a variety of lifelike voices or even cl.







































Like Sherpa, Acapela works as a default TTS engine for the device, but it has better-quality voices and a better user interface.