Most of what I build works with the network off. No accounts, no telemetry, no paywall. Things that keep working on a train, in a basement, or on a phone with no signal are simply better tools, and building that way forces every decision to be honest about what it actually needs.
Vitals Local · JavaScript, no dependencies Health reference and symptom triage in the browser. An adaptive question flow picks whichever question is expected to narrow the causes most, over published decision rules such as Wells, Alvarado, Ottawa and SNNOOP10. Red flags are hard rules no score can override. 65 languages, translated on the device. No build step and nothing to install. Try it
Pekko Fridge · JavaScript A private expiry tracker for food, medicine and cosmetics. Tells you what to use first and what is about to go. Cute on purpose.
Hallal Scanner · React Native Points a camera at an ingredient label and reads it offline. No lookup service, so no record of what anyone scanned.
Macro Tool · Python Macro recording and playback for Linux under X11.
Floorsense · TypeScript WiFi presence analytics for venues, built around consent rather than around collecting whatever the hardware can see.
TLP Battery Tuner · Shell One command to get sane battery settings on any Linux distribution.