OpenMontage
by calesthio
OpenMontage is a video production system that works through an AI coding assistant. You describe the video you want, and the assistant handles research, scripting, asset generation, editing and final rendering.
- Stars
- 72.6k
- Licence
- AGPL-3.0
- Runs on
- Your computer
- Setup
- Technical
- Language
- Python
- Age
- 213 days
What you can do with it
- Turn a plain-language brief into a finished video with script, visuals, narration, music and captions
- Paste a YouTube Short, Reel or TikTok and get concepts and a production plan for a similar video on your own topic
- Build product films, explainers or documentary-style pieces from stock footage, generated clips or animated stills
Make money with it
A freelancer could offer short-form video production for local businesses, using the tool to cut production time and charging per video.
An idea, not financial advice. Check the licence before charging for anything built on it.
Ways a business could use it
- Produce marketing, product and social videos in-house instead of paying an agency or a video subscription
- Create short vertical videos and explainers for client channels at a lower cost per video
Can you use it commercially?
Free to use. Anything you distribute that includes it must be open-sourced under the same licence. Running it as an online service also counts, so a hosted version must offer its source.
Not legal advice. Read the project's licence file before building a product on it.
Getting it running
It is a Python project that you set up locally and drive through an AI coding assistant such as Claude Code, Cursor or Copilot; the README excerpt gives a Quick Start section but not the exact steps.
Follow the official instructions in the project README.
Things to check
- AGPL-3.0 licence has obligations if you offer it as a hosted service
- Best results rely on paid third-party APIs (for example Veo, Kling, ElevenLabs), so costs per video add up
- Needs an AI coding assistant, which may itself be a paid subscription
- Copying the style of existing videos may raise copyright or platform terms issues
- Some claims, such as being the world's first, are marketing and unverified
Who's talking about it
- FindARepo: 30 Best AI Image Generator GitHub Repos (October 2026) — Open-Source & Local Featured in a roundup
Checked 28 Oct 2026. Summary drafted by AI from the project's README.