Deque Systems

Accessibility scanning engine (axe-core)

BrowserCat

Cloud headless browser for accessibility scans

Browserless

Fallback cloud headless browser for accessibility scans

Cloudflare

CDN and security

Sentry

Error tracking and monitoring

GitHub

Code repository and CI/CD

Namecheap

Domain registration

Supabase

Database, authentication, storage

Vercel

Application hosting