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Best free HeyGen alternatives (open source, 2026)

Updated · 20 repos compared · data refreshed nightly from GitHub

Short answer

The best free HeyGen alternative for most people is Duix-Avatar (16k GitHub stars). All 20 options below are open source and run on your own computer or server, so there's no subscription.

HeyGen (AI avatar and talking-head videos) is a paid, closed-source product. The open-source projects below do the same job and run on your own computer or server. Stars and activity come straight from GitHub.

Top picks

  1. 1. Best for: Best overallDuix-Avatar16k stars · license not detected · updated 6mo ago
    Editor's pick

    🚀 Truly open-source AI avatar(digital human) toolkit for offline video generation and digital human cloning.

    Needs:
    Hardware not stated in its README
    Trade-off
    Better than HeyGen: the biggest community (16k stars). Worse: license not detected by GitHub; check it before commercial use; slower development (last update 6mo ago).
  2. 2. Best for: Most discussed this weekopenspline288 stars · MIT · updated today
    #46 TRENDING

    Give a face to your voice AI in 5 lines of code. Generate realtime avatar video connected to your voice AI locally

    Needs:
    Hardware not stated in its README
    Trade-off
    Better than HeyGen: a permissive MIT license, very active development. Worse: a small community, so fewer guides and fixes.

Comparison

ToolStarsOpen licenseSelf-hostRuns on MacGPU memoryLast update
HHeyGenPaid · cloud only–browsernone–
Duix-AvatarEditor's pick🚀 Truly open-source AI avatar(digital human) toolkit for offline video generation and digital human cloning.16k?6mo ago
TalkingHeadTalking Head (3D): A JavaScript class for real-time lip-sync using full-body 3D avatars.1.6k?today
echomimic_v2[CVPR 2025] EchoMimicV2: Towards Striking, Simplified, and Semi-Body Human Animation4.7k?8mo ago
fantasy-talking[ACM MM 2025] FantasyTalking: Realistic Talking Portrait Generation via Coherent Motion Synthesis1.6k?8mo ago
ditto-talkinghead[ACM MM 2025] Ditto: Motion-Space Diffusion for Controllable Realtime Talking Head Synthesis913?11mo ago
JoyVASADiffusion-based Portrait and Animal Animation882?6mo ago
openspline#46 TRENDINGGive a face to your voice AI in 5 lines of code. Generate realtime avatar video connected to your voice AI locally288?today
wunjo.wladradchenko.ruWunjo Make: Face Swap, Lip Sync, Control Remove Objects & Text & Background, Restyling, Audio Separator, Clone Voice, Video Generation. Open Source, Local & Free.1.2k?1d ago
PersonaLive[CVPR 2026] PersonaLive! : Expressive Portrait Image Animation for Live Streaming4.0k12 GB1mo ago
DAWN-pytorchOffical implement of Dynamic Frame Avatar with Non-autoregressive Diffusion Framework for talking head Video Generation231?11mo ago
vantaOpen source AI video engine built on Remotion. Voice cloning, AI avatars, animated captions, text-to-video (Wan 2.2/LTX), AI music, video editor, timeline, 100+ transitions. Free Synthesia, HeyGen, Ru151?2mo ago
avatar-mixGenerate 16:9 & 9:16 videos with your HeyGen avatar, animated backgrounds (HyperFrames), music, SFX and Hormozi captions — then publish them to every social network. Reusable skill.133?3mo ago
float[ICCV 2025] Official Pytorch Implementation of FLOAT: Generative Motion Latent Flow Matching for Audio-driven Talking Portrait.496?11mo ago
Talker-T2AVACM MM 2026 Talker-T2AV Joint Talking Audio-Video Generation with Autoregressive Diffusion Modeling92?2mo ago
video-skills-toolkitVideo skills toolkit for Remotion talking-head, sketch story, and audio-to-subtitles workflows.152?2mo ago
StableAvatar[NeurIPS2026] We present StableAvatar, the first end-to-end video diffusion transformer, which synthesizes infinite-length high-quality audio-driven avatar videos without any post-processing, conditio1.3k?27d ago
echomimic_v3[AAAI 2026] EchoMimicV3: 1.3B Parameters are All You Need for Unified Multi-Modal and Multi-Task Human Animation1.1k?7mo ago
mulmocast-cliAI-powered podcast & video generator.475?today
HunyuanPortrait[CVPR-2025] The code of HunyuanPortrait: Implicit Condition Control for Enhanced Portrait Animation357?10mo ago
i-hate-editingDrop in raw talking-head takes, get back a finished, publishable video. Every rule in this repo was paid for by a rejected render.69?16d ago

✓ yes · ✗ no · – not stated in the README. Hardware details are read from each README and may be incomplete.

HeyGen vs open source: what you give up

  • Setup. HeyGen is ready as soon as you sign up. These projects need installing, usually with Python, Node or Docker.
  • Hardware. 1 of 20 lists a GPU requirement, starting at 12 GB of GPU memory. 2 mention Mac support.
  • Polish and support. Paid products usually have a smoother interface, managed updates and customer support. Open source gives you privacy, no usage limits and no monthly bill.
  • Maintenance. 6 of 20 were updated in the last 30 days.
  • License. 15 of 20 use a standard open-source license (MIT, Apache, GPL and similar). Check the license before commercial use.

How we picked

Projects that describe themselves as a HeyGen alternative come first, then projects that do the same job, ranked by how well they match and by GitHub stars. Projects that need a paid API key, and projects from HeyGen's own company, are left out. Stars and activity are verified with the GitHub API every night; hardware details come from each README. Full method.

FAQ

Is there a free alternative to HeyGen?

Yes. We list 20 free, open-source GitHub projects that do the same job as HeyGen. The most popular are Duix-Avatar, echomimic_v2 and PersonaLive.

What is the best open-source HeyGen alternative?

It depends on your setup. Best overall: Duix-Avatar. Most discussed this week: openspline. Compare GitHub stars, license and hardware needs in the table on this page.

Can I run a HeyGen alternative on a Mac?

Yes. According to their READMEs, mulmocast-cli and i-hate-editing run on macOS.

Do I need a GPU to replace HeyGen?

1 of the 20 lists a GPU requirement, starting at 12 GB of GPU memory.

Are these HeyGen alternatives really free?

Yes. All 20 are open source on GitHub, and projects that need a paid API key are left out. 15 use a standard open-source license such as MIT, Apache or GPL; check the license before commercial use.

Related: Video