I built Whisker because setting up a simple online store shouldn't require WordPress, Composer, or $39/month SaaS fees. It's a self hosted e-commerce cart in pure PHP + MySQL with no external dependencies.

Upload to any shared hosting, run the 6-step web installer, start selling. That's it.

What it does: product catalog with variants (Size × Color with individual SKU/price/stock per combo), 4 payment gateways (Razorpay, Stripe, CCAvenue, crypto), multi-currency, admin dashboard, order management, invoices, customer accounts, SEO engine with JSON-LD product schema, CSV bulk import, support tickets, coupon system. Security: PDO prepared statements, bcrypt, CSRF, session fingerprinting, webhook signature verification, login rate limiting, upload MIME+extension validation.

~130 files, 25 tables, runs on PHP 8.0+ and MySQL 5.7+.

Demo: https://whisker.lohit.me

GitHub: https://github.com/WhiskerEnt/Whisker-Cart

I'd appreciate any feedback on the architecture or security. Happy to discuss technical decisions.