Open Source Licenses

Zestful is built with the following open source software. We're grateful to these projects and their maintainers.

Web

• Next.js — MIT License — github.com/vercel/next.js
• React — MIT License — github.com/facebook/react
• Tailwind CSS — MIT License — github.com/tailwindlabs/tailwindcss
• Supabase JS — MIT License — github.com/supabase/supabase-js

Backend

• Express — MIT License — github.com/expressjs/express
• Stripe Node — MIT License — github.com/stripe/stripe-node
• Helmet — MIT License — github.com/helmetjs/helmet
• jsonwebtoken — MIT License — github.com/auth0/node-jsonwebtoken
• express-rate-limit — MIT License — github.com/express-rate-limit/express-rate-limit

iOS & macOS

• SwiftUI — Apple proprietary — part of iOS/macOS SDK
• SwiftData — Apple proprietary — part of iOS/macOS SDK
• ActivityKit — Apple proprietary — part of iOS SDK
• WidgetKit — Apple proprietary — part of iOS SDK
• StoreKit 2 — Apple proprietary — part of iOS/macOS SDK

Infrastructure

• Supabase — Apache 2.0 License — github.com/supabase/supabase
• Fly.io — Proprietary — hosting platform
• Vercel — Proprietary — hosting platform
• Cloudflare — Proprietary — DNS and CDN