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explainroo

Explainer videos and product demos made by your AI agent. Free and open source: a local voice (Kokoro), word timing (Whisper) and a canvas renderer turn a script into a narrated MP4.

AgentPick Score 60/100#459 in Coding agents & IDE assistants★ 556 GitHub starsMITUpdated 13 Oct 2026JavaScript

Ranked by AgentPick Score, our data score from public GitHub activity. Description is the project's own.

Topics: ai-agents, animation, canvas, claude-code, codex, explainer-video, ffmpeg, javascript, kokoro, product-demo, text-to-speech, video-generation

Starter prompt

Using explainroo, in a throwaway branch: add a unit test for [function] covering [edge case]. Don't change production code. Show me the diff and the test output.
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