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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Express
The fast, unopinionated, minimalist web framework for Node.js
serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
serde
A generic framework for serializing and deserializing Rust data structures efficiently and safely.
js-yaml
A fast, complete YAML 1.2 and 1.1 parser and serializer for JavaScript.
yaml
A definitive TypeScript parser and stringifier for YAML, supporting 1.1 and 1.2 with comment and CST access.
jsonwebtoken
The de facto Node.js library for signing, verifying, and decoding JSON Web Tokens.
Uvicorn
A lightning-fast ASGI server for Python, built on uvloop and httptools.
cors
Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.
PyYAML
A full-featured YAML parser and emitter for Python, with C-accelerated bindings
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
jose
Zero-dependency JWT, JWS, JWE, and JWK toolkit for Node.js, browsers, and edge runtimes.
base64
Correct, fast, and configurable base64 encoding and decoding for Rust, with pluggable alphabets and padding.
JSZip
Create, read, and edit ZIP files directly in JavaScript, in the browser or Node.js.
url
A WHATWG-standard-compliant URL parser and manipulation library for Rust.
PapaParse
The fastest in-browser CSV parser for JavaScript, with streaming, Web Workers, and zero dependencies
Hono
A small, ultrafast web framework built on Web Standards that runs identically everywhere.
uuid
Generate and parse UUIDs in Rust across every standardized version, from v1 to v8.
sha2
Pure Rust implementation of the SHA-2 hash function family (SHA-224/256/384/512) with hardware-accelerated backends.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
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.
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
Multer
Streamlined multipart/form-data file upload handling for Express and Node.js APIs.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.