vanta

A free, do-it-yourself alternative to Synthesia, HeyGen and CapCut: AI avatars, voice cloning, captions and text-to-video. Expect some setup.

Technical🎬 VideoFree & open-sourceFree plan

CategoryVideo

SourceGitHub

Traction139★

First seenFeb 8, 2026

Quick facts

What it is: vanta is a video tool. A free, do-it-yourself alternative to Synthesia, HeyGen and CapCut: AI avatars, voice cloning, captions and text-to-video. Expect some setup.
Where it was found: GitHub, first seen Feb 8, 2026, with 139 GitHub stars when last checked.
Tags: Open Source, Free tier.
Official link: github.com/itsjwill/vanta

Turns a script into a narrated explainer or product demo video, free and on your own computer.

Show it a video you love and it makes a new one in the same style. You'll run it through Claude Code or Codex, so some tech comfort helps.

43 film styles for making short films with Claude, with no video AI needed. Everything is drawn in code.

Type a topic and get a narrated explainer video with subtitles. Runs as an add-on for Claude Code or Codex. English or Chinese.

A big library of tested prompts for the Seedance video AI, with 600+ real examples and 25 copy-and-paste templates. Useful even if you don't code.

Turns Claude Code or Codex into a little animation studio for narrated explainer videos, with the voiceover synced word by word.

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