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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Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
markdown-it
A fast, pluggable CommonMark-compliant Markdown parser and renderer for JavaScript, safe by default.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.
Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
qs
A battle-tested querystring parser and serializer for Node.js with nested object support and built-in security limits.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
python-dateutil
Powerful extensions to Python's datetime module for parsing, deltas, recurrence, and timezones.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
Prisma Client
Auto-generated, type-safe database client for Node.js and TypeScript.
Cheerio
The fast, flexible library for parsing and manipulating HTML and XML with a familiar jQuery-style API.
Jinja
A fast, expressive, and extensible templating engine for Python.
form-data
Build readable multipart/form-data streams in Node.js for forms and file uploads
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.
OpenTelemetry Auto-Instrumentations for Node.js
Zero-code observability for Node.js apps, bundling every OpenTelemetry contrib instrumentation into a single metapackage.
Inquirer.js
Interactive command-line prompts for Node.js — lists, checkboxes, confirms, and more with a single async API.
SQLAlchemy
The Python SQL toolkit and Object Relational Mapper that gives developers the full power and flexibility of SQL.
execa
A modern process-execution library for Node.js with template-string syntax and zero shell-injection risk.
yargs
The modern, pirate-themed command-line argument parser and command framework for Node.js
sanitize-html
Allowlist-based HTML sanitizer that strips XSS vectors from untrusted markup while preserving the tags and attributes you choose to keep.