Adam Williams

Building small, useful software. Below: live projects with their 30-day Search Console traffic, refreshed automatically.

QR code API with scan analytics, REST endpoints, and an MCP server for Claude and Cursor.

Quote-and-invoice billing app for contractors — send priced quotes, take card payments, and get daily Stripe Connect payouts.

Free NPI lookup directory covering 9.2M US healthcare providers, with specialty and city pages, a check-digit validator, and an open JSON API.

Free burn rate and runway calculator with stage presets, scenario sliders, and shareable URLs.

Nationwide flower and gift delivery shop powered by the Florist One API, with Authorize.Net checkout and Resend order confirmations.

Location-based PWA where anonymous confessions stay pinned to GPS coordinates for nearby visitors to find.