Open source

I'm Sung-eon Park, and I build these tools to learn. When one turns out to be useful beyond my own desk, I open it up, in the hope that it helps someone else and that we get better at this together, each building on what the other shares.

Free and MIT-licensed · each with its own site and repository

facetshot

Screenshots of your app's screens on several devices and display settings at once, with what looks broken and what it logged. For people and AI coding agents.

TypeScript · Bun · web, desktop and iOS apps