Concat
Free, open-source video editor with auto-captions, effects, and 4K export
Visit concatenate.pages.dev ↗What is Concat?
Concat is a cross-platform video editor that runs entirely on your machine with no watermarks, accounts, or subscriptions. It includes auto-captions via local Whisper, text-to-speech with voice cloning, background removal, keyframe animation, 170+ effects and transitions, multi-track editing, and exports up to 4K. The app works offline and supports macOS, Windows, Linux, Android, and iOS.
Designed for creators making TikTok, Reels, Shorts, YouTube videos, tutorials, and podcast clips, Concat is built on a native Rust engine with GPU compositor for smooth 4K editing. It also offers JSON-RPC, gRPC, and MCP APIs plus a CLI, allowing scripts and AI agents to automate video cutting tasks.
Momentum
Daily activity over the last 30 days: upvotes, unique visits, new GitHub stars and Hacker News points.
How do we know it's vibe coded?
vibetrend discovered Concat automatically. Evidence: GitHub jub0t/Concat; repo has .claude. View source.
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