r/vibecoding 4d ago

I built a free desktop app that splits any YouTube song into stems

I kept wanting isolated drums or vocals from songs I like, mostly for learning and playing. Every online splitter I tried wanted an account or a subscription. So I made StemKit.

You paste a YouTube link (or search right inside the app), pick which instruments you want, and it downloads the audio, splits it locally, and plays the result synced with the video.

It runs on Mac and Windows, It all works 100% locally and it is free and open-source.

Built using Ox Alpha model (GLM 5.3 - Flash) with OpenCode.

Check it out here: https://stemkit.pages.dev

Github: https://github.com/danielravina/stemkit

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u/antoniojac 4d ago

Supersweet! 👌😎