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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gray-matter
Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks
prom-client
The de facto Prometheus client library for instrumenting Node.js applications with counters, gauges, histograms, and summaries.
cookie
Basic HTTP cookie parser and serializer for HTTP servers, with zero dependencies and full RFC 6265 support.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
express-rate-limit
Basic IP rate-limiting middleware for Express to throttle repeated requests and protect public APIs and sensitive endpoints.
Inquirer.js
Interactive command-line prompts for Node.js — lists, checkboxes, confirms, and more with a single async API.
knex
A flexible, portable SQL query builder for Node.js supporting PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3, and Oracle.
csv-parse
A flexible, dependency-free CSV parser for Node.js and the browser with stream, callback, and sync APIs.
ignore
A pure JavaScript manager, filter, and parser for .gitignore-style rules, built exactly to the gitignore spec.
@azure/identity
Microsoft Entra ID credential library that authenticates every Azure SDK client, from managed identity in production to CLI and browser login in development.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
NextAuth.js
Open-source authentication for Next.js with OAuth, OIDC, email, and passkey sign-in.
Prompts
Lightweight, beautiful and user-friendly interactive CLI prompts for Node.js.
Alembic
Database migrations tool for SQLAlchemy with autogenerate and transactional DDL
i18next-http-backend
An i18next backend plugin that loads translation resources over HTTP using fetch or XMLHttpRequest, for Node.js, browsers, and Deno.
express-session
Simple, pluggable session middleware for Express that signs session IDs into a cookie and delegates data storage to any compatible store.
openid-client
Certified OAuth 2 and OpenID Connect client for every modern JavaScript runtime.
svgo
A Node.js library and command-line tool that optimizes SVG files by removing redundant markup through a configurable plugin pipeline.
otplib
TypeScript-first TOTP and HOTP library with a pluggable crypto/base32 architecture for Node, Bun, Deno, and browsers.
path-to-regexp
Turn path strings like /user/:id into regular expressions for matching, building, and parsing URLs.
sql-formatter
A JavaScript/TypeScript library and CLI that pretty-prints SQL queries across 20+ dialects with configurable style options.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
slugify
Slugify a string with accurate Unicode transliteration for URLs, filenames, and IDs.
node-xml2js
XML-to-JavaScript-object parser and builder for Node.js
