About

Free, accurate mortgage calculators for homebuyers, homeowners, and real estate professionals.

Tech Stack
  • Ubuntu 22.04 — Base OS
  • Apache — Web server with mod_fcgid
  • PHP 8.2-FPM — Server-side scripting
  • MariaDB 10.6 — Relational database
Frontend Tooling
  • Vite — Build tool with HMR
  • Tailwind CSS — Utility-first CSS framework
  • htmx — HTML-driven dynamic updates
Features
  • Instant monthly payment, amortization, and total interest calculations
  • Interactive Highcharts visualizations with full accessibility support
  • Server-rendered results for SEO — works without JavaScript
  • Unique shareable URL for every calculation
  • JSON API for programmatic access
  • Responsive, mobile-first design