Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category3
Sort:Used by Most Apps
AWS SDK for JavaScript (S3 Client)
The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.
sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
jsonwebtoken
The de facto Node.js library for signing, verifying, and decoding JSON Web Tokens.
jose
Zero-dependency JWT, JWS, JWE, and JWK toolkit for Node.js, browsers, and edge runtimes.
Pillow
The friendly PIL fork that adds image processing capabilities to Python
jwt
A zero-dependency Go implementation of JSON Web Tokens (JWT) with pluggable HMAC, RSA, RSA-PSS, ECDSA, and Ed25519 signing methods.
boto3
The official AWS SDK for Python — call every Amazon Web Services API from your code.
Google Cloud Storage
Node.js client library for Google Cloud Storage — upload, download, and manage buckets and objects programmatically.
qrcode
A zero-dependency-on-canvas QR code and 2D barcode generator for Node.js and the browser.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.
bcrypt.js
A zero-dependency, pure JavaScript implementation of bcrypt for hashing and verifying passwords in Node.js and the browser.
PDF.js
Mozilla's HTML5-based library for parsing and rendering PDF documents in the browser and Node.js.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
file-type
Detect the file type of a buffer, stream, or file by reading its magic number.
AWS SDK for Go v2
The official AWS SDK for Go — type-safe, modular clients for every AWS service.
Better Auth
The most comprehensive, framework-agnostic authentication and authorization framework for TypeScript.
google-auth
The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.
bcrypt
Battle-tested password hashing for Node.js using the adaptive bcrypt algorithm.
html-to-image
Turns any DOM node into a PNG, JPEG, SVG, or canvas image entirely client-side, with no server or screenshot service required.
google-api-nodejs-client
Google's officially supported Node.js client library for calling hundreds of Google APIs with built-in OAuth 2.0, API key, and service-account auth.
passport
Simple, unobtrusive authentication middleware for Node.js with 480+ pluggable strategies.
cookie
Basic HTTP cookie parser and serializer for HTTP servers, with zero dependencies and full RFC 6265 support.
express-rate-limit
Basic IP rate-limiting middleware for Express to throttle repeated requests and protect public APIs and sensitive endpoints.
@cloudflare/workers-types
Official TypeScript type definitions for the Cloudflare Workers runtime, covering fetch handlers and platform bindings like KV, D1, R2, and Durable Objects.