Breezeway Labs

Tools and toys,
thoughtfully made.

Small software by Keith Warren. Built to be useful, calm, and fun — no subscriptions, no dark patterns, no noise.

Explore the work ↓

What I've built

Things worth your time.

8,342 STEPS

iPhone App

Step Tracker

Steps, clearly and calmly. Daily totals, four-week trends, a full-year view — all from Apple Health. No accounts, no servers.

View the app → Live
θ₁ θ₂ n₁ = 1.00 n₂ = 1.33

Interactive Simulations

Physics Lab

Nine HTML5 canvas simulations — mechanics, waves, optics, electromagnetism. For students and the curious. No install required.

Open the lab → Live
A 92.4%

Education Tool

Grade Calculator

Build a custom grade calculator for any course. Set categories, weights, and a final exam — students enter scores to see their grade and exactly what they need on the final.

Open the builder → Live
MIT License — Copyright © 2026 Keith Warren / Breezeway Labs.
Free to use, copy, modify, and distribute for any purpose. Attribution appreciated but not required.
Open builder to download →

Home Energy

Energy Dashboard

Automated tracking of solar production, home consumption, and EV charging — pulled from the Tesla Fleet API as a live daily dashboard.

Coming soon In development