Best Open Source Alternatives to HeyGen

Compare the best free and open-source alternatives to HeyGen — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated August 2026 · 3 alternatives

HeyGen

Proprietary SaaS

PricingFreemium

Platformsweb

WebsiteVisit site

HeyGen alternatives compared

Open-source alternatives to HeyGen, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Stable Video Diffusion	27,235	MIT	Linux	No	Dec 2025	Visit
SadTalker	13,992	MIT	LinuxWindows	Yes	Jun 2024	Visit
MuseTalk	0	MIT	Linux	No	—	Visit

Top open-source HeyGen alternatives

Stable Video Diffusion27,235MIT

Generative video diffusion models by Stability AI.

Linux

vs HeyGen: a free, open-source option you fully control, licensed MIT.

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SadTalker13,992MIT

Stylized audio-driven single image talking face animation.

LinuxWindows

vs HeyGen: a free, open-source option you fully control, licensed MIT.

Visit Details

MuseTalk0MIT

Real-time high-quality lip-syncing model.

Linux

vs HeyGen: a free, open-source option you fully control, licensed MIT.

Visit Details