You searched a paid product
HeyGen does 3 jobs: AI avatar (talking presenter) videos, video translation and dubbing, script or prompt to video. Most projects replace one or two of them, so pick the job you actually need.
We track 2 open-source alternatives to HeyGen, but none currently has confirmed commercial use, local running and no paid services together. None of the 2 projects we track covers all 3 HeyGen jobs, so most people combine two or more.
Topic-to-short-video engine that writes the script, generates AI images or clips through ComfyUI or APIs, adds voice and music.
Experimental Python framework that automates YouTube Shorts/TikTok creation and video dubbing with an LLM, stock footage and TTS.
No project meets all of your requirements. The list below shows what you'd need to relax.
We hid them because something is missing, unknown or conflicting. Here's what.
Yes. Pixelle-Video is free to download and run on your own computer without paid API keys. It covers only part of what HeyGen does, so check which job you need.
Yes, with Pixelle-Video (Apache-2.0). Check the hardware notes and licence conditions on each page before you start.
Yes, with ShortGPT (MIT). Check the hardware notes and licence conditions on each page before you start.
Confirmed: ShortGPT. With conditions: Pixelle-Video. This is not legal advice; read each licence.
Not as of 2026-10-16. AI avatar (talking presenter) videos, video translation and dubbing and script or prompt to video are covered by different projects.