Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
NextAuth.js
Open-source authentication for Next.js with OAuth, OIDC, email, and passkey sign-in.
react-turnstile
React bindings for Cloudflare Turnstile — a privacy-first CAPTCHA alternative with a declarative component and a full imperative ref API.
@clerk/backend
The official JavaScript SDK for Clerk's Backend API and JWT session verification.
React OAuth (Google)
Typed React hooks and components for Google Sign-In, One Tap, and OAuth2 login built on Google's Identity Services SDK.
Open Policy Agent (OPA)
Open source policy engine for unified authorization and compliance decisions across your stack.
Standard Webhooks (Python)
Python reference implementation for verifying Standard Webhooks HMAC-signed webhook payloads
react-turnstile
A minimal React component and hook for rendering Cloudflare Turnstile CAPTCHA challenges.
jws
Complete JSON Web Signature (JWS) implementation for Node.js with sync and streaming APIs
wagmi
Reactive React Hooks for building Ethereum and Web3 applications, built on viem and TanStack Query.
react-native-keychain
Secure, cross-platform credential storage for React Native apps using native Keychain and Keystore.
nookies
A lightweight set of cookie helpers for parsing, setting, and destroying cookies in Next.js apps, on both server and client.
react-native-apple-authentication
A well-typed React Native library that brings native Sign In with Apple to iOS and a web-based equivalent to Android.
@fastify/jwt
JWT authentication plugin for Fastify, decorating routes with sign, verify, and decode utilities built on fast-jwt.
jwt-simple
A fast, safe-by-default Rust library for creating and verifying JWT and JWE tokens across every major signing and encryption algorithm.
biscuit
A typed Rust library for JWT, JWS, and JWE - full JOSE token signing, encryption, and validation built on ring.
react-apple-signin-auth
A drop-in React button and helper API for Sign in with Apple, built directly on Apple's official JS SDK.