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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sharp
High-performance Node.js image processing powered by libvips, built for fast resizing and format conversion.
concurrently
Run multiple terminal commands in parallel, with color-coded output and cross-platform support.
Tokio
The async runtime powering most of Rust's networked, concurrent, and I/O-bound applications.
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.
futures
The foundational Future, Stream, and Sink traits and combinators for zero-cost async Rust
Pillow
The friendly PIL fork that adds image processing capabilities to Python
sha2
Pure Rust implementation of the SHA-2 hash function family (SHA-224/256/384/512) with hardware-accelerated backends.
RxJS
The standard library for composing asynchronous and event-based programs using observable sequences
qrcode
A zero-dependency-on-canvas QR code and 2D barcode generator for Node.js and the browser.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
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.
p-limit
A tiny, battle-tested utility for running async functions with a strict concurrency limit.
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.
async-trait
Type erasure for async fn in Rust traits, enabling async methods behind dyn dispatch.
crypto-js
A JavaScript library of crypto standards - hashing, HMAC, PBKDF2, and symmetric ciphers for Node.js and the browser.
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.
Gunicorn
A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.
Certifi
Mozilla's curated root CA bundle for verifying SSL/TLS certificates in Python.
websockets
Build correct, fast WebSocket servers and clients in Python with asyncio, threading, or Sans-I/O APIs.
qrcode.react
A React component for generating QR codes as SVG or Canvas, with logo embedding and full styling control.