Concat

Judgement

What it is

Complete system

What it does

A local-first, cross-platform video editor aimed at replacing CapCut, scriptable through a JSON-RPC API and MCP, with features such as voice cloning.

Adopt it when

You make short-form social video and want a free editor that AI agents can drive.

Watch out

Ten weeks old at version 0.2, AGPL licensed.

Ready for

Experimental

Runs as

Desktop app

Built with

Rust, C++ and FFmpeg

How established

New: started 2 months ago, latest release v0.2.8.

What the license allows

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Concat → Rust → runs on a microchip

How compilers were built, back to punched paper tape

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