A free, open-source tutoring tool that runs in the browser, stores everything locally, and doesn't need a server or a subscription.
Project Workbench & Archive
Well... these are things I've shipped, abandoned, or am still patching at 2 AM. If your repo looks like this too, you're in good company. Each one ships with an honest mission log: what broke, what I learned.
An open-source browser rocket sim with real RK4 orbital mechanics — Kerbal creativity, engineering-grade math, no proprietary license.
A mobile-first fuel delivery app — order from your phone, track the driver live, skip the station detour.
Multiple Gemini agents debate a problem before you get a final answer — not one model talking to itself in a mirror.
A tray-resident desktop launcher that opens your usual apps from a global hotkey — no browser tab circus.
Run untrusted JavaScript in an isolated Node sandbox and get a JSON audit log of what it tried to touch.
A client-side finance logger that splits everyday spending from actual investments — so your net worth isn't hiding in expenses.
Scan a table QR, order from your phone, watch kitchen status update live — no waiter relay for every change.
An offline-first health journal and meditation timer — your habits stay in your browser, not on my server.
Browser invoice builder with instant PDF export — no signup, no backend, your line items never leave the tab.
Markdown to PDF in the browser — KaTeX math, syntax highlighting, custom themes, no Pandoc install.
Manifest V3 chrome extension that reads the main article text via Web Speech API — skips nav junk, adjustable speed.