LocalMiniDrama
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by xuanyu studio
OpenMontage
by CalesthioAgentMake video or audio
Turns a plain-language video idea into a finished, narrated video via your coding agent
About OpenMontage
OpenMontage is an open-source video production system that works through an AI coding assistant: describe a video and it researches, scripts, gathers media and edits it, asking your approval at each creative step.
For Content creatorsEducational content makersMarketers making short videos
Made by Calesthio
An open-source project by the GitHub developer Calesthio, who also made Crucix.
- Stars
- ★ 73k
- License
- AGPL-3.0
- Cost
- Usage-based
- Platforms
- Mac · Win · Linux
- Level
- Advanced
Overview
OpenMontage is an open-source video production system that runs through an AI coding assistant such as Claude Code, Cursor or Codex. You describe the video you want, or paste a reference video you like; the agent researches the topic, writes the script, gathers or generates images, footage, narration and music, and edits them into a finished video, asking for your approval at each creative step. It can work with free tools only or with paid image, video and voice services you add. It suits people making explainers, short videos and promotional clips.
It can cut a real-footage video from free archives and stock libraries without paid video models, and shows each production step on a live storyboard.
Try these first
Start with the first one: it is a small task you can check easily.
- Make a 45-second animated explainer about why the sky is blue. Use no paid keys and show me the script before rendering.First try · free tools only
- Make a 60-second documentary montage about [topic]. Use real footage only, no narration, with music.
- Here is a short video I like: [link]. Suggest three original ideas in the same pacing about [topic], with cost estimates.may use paid services
- Cut this podcast episode into five short clips for social media: [file path].may use paid services
Example prompts written by Agent Flows Hub.
Features
From the creator's documentation.
| Feature | What it does | Runs |
|---|---|---|
| Production pipelines | Explainers, montages, trailers, talking heads, screen demos, podcast clips, dubbing and more | Your computer |
| Free media path | Offline narration plus footage from Archive.org, NASA, Wikimedia Commons and stock libraries | Your computer |
| Reference videos | Analyses a video you like and proposes original ideas, with cost estimates before production | Your computer |
| Live storyboard | A local board shows each stage, script, scene cards, provider choices and costs as the video is made | Your computer |
| Approval gates | Pauses on the script and a scene-by-scene contact sheet until you approve | Your computer |
| Paid providers | Optional image, video, voice and music services, each with your own key | Other services |
Good to know
You want a short explainer or montage video without editing it yourself. OpenMontage gives your coding assistant step-by-step production pipelines, so it can research, script, gather media, narrate and render the video while you approve each stage.
Limits
- Setup needs Python, FFmpeg, Node.js and a coding assistant on your computer. On Windows the README gives separate PowerShell setup steps.
- Without API keys it uses free narration, images and archive footage; generated video, premium voices and music need paid services you add, and each run spends your assistant's usage.
Notes by Agent Flows Hub (original project name: OpenMontage), written from the creator's documentation, not from running it ourselves. OpenMontage: quick start, prompts and pipelines · OpenMontage website
Stuck setting it up?
Tell us what happened. We take a look first; if it needs paid work, you get an estimate before anything starts.
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