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Alternatives to Harmonai

Nari Labs Dia
Nari Labs DiaDia is a 1.6B parameter open-source text-to-speech model that generates ultra-realistic dialogue with emotion control, audio conditioning, and nonverbal sounds in one pass.
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SadTalker AISadTalker generates realistic talking head videos from a single portrait and audio clip using 3D motion coefficients. Open-source CVPR 2023 research tool.
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StyleTTS 2StyleTTS 2 achieves human-level TTS synthesis using style diffusion and adversarial training with large speech language models. Open-source and free to use.
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MusicGen Meta
MusicGen MetaAudioCraft is Meta AI's open-source framework for generative audio, including MusicGen (text-to-music), AudioGen (text-to-sound), and EnCodec (neural audio codec).
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Tortoise TTS
Tortoise TTSTortoise TTS is a free, open-source multi-voice TTS system emphasizing realistic prosody and intonation. Clone voices and generate high-quality speech with this research-grade Python library.
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StemRoller
StemRollerStemRoller is a free, open-source AI tool that splits any song into vocals, drums, bass, and instrumental stems using Facebook's Demucs model. Create karaoke and acapella tracks instantly.
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Revocalize AI Mastering
Revocalize AI MasteringMaster your music tracks instantly and for free with Revocalize AI Mastering. Genre-aware AI processing delivers professional, release-ready sound in seconds.
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Vocali.se
Vocali.seSeparate vocals and music from any song in seconds with Vocali.se. Free AI-powered tool — no signup, no software, no cost required.
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Coqui AI
Coqui AICoqui AI was an open-source TTS and voice cloning platform featuring the XTTS model, supporting 17+ languages and voice cloning from just 3 seconds of audio.
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EDGE Dance
EDGE DanceEDGE is an open-source AI model from Stanford that generates editable, physically plausible dance choreographies from any music. Features diffusion model, joint-wise constraints, and motion in-betweening.
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