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index-tts
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index-tts is a free, open-source alternative to ElevenLabs, Play.ht, Resemble AI. It can be used without subscription fees — and its source code is open for anyone to inspect, modify and self-host.
Replaces
3 commercial tools
bigvgan cross-lingual indextts text-to-speech
About
An Industrial-Level Controllable and Efficient Zero-Shot Text-To-Speech System
What switching gets you
No subscription, no per-seat pricing — free forever, for individuals and companies alike. Your data stays with you: it can run locally or on your own servers, with no vendor lock-in. The source code is public — auditable, extensible and maintained in the open by its community.
An open-source alternative to
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voiceboxThe open-source AI voice studio. Clone, dictate, create. VoxCPMVoxCPM2: Tokenizer-Free TTS for Multilingual Speech Generation, Creative Voice Design, and True-to-Life Cloning CosyVoiceMulti-lingual large voice generation model, providing inference, training and deployment full-stack ability. diaA TTS model capable of generating ultra-realistic dialogue in one pass. supertonicLightning-Fast, On-Device, Multilingual TTS — running natively via ONNX. PaddleSpeechEasy-to-use Speech Toolkit including Self-Supervised Learning model, SOTA/Streaming ASR with punctuation, Streaming TTS with text frontend, Speaker Verification System, End-to-End Speech Translation and Keyword Spotting. Won NAACL2022 Best Demo Award.