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
cors
Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.
cookie-parser
Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.
body-parser
Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.
compression
Node.js middleware that transparently gzip-, deflate-, or Brotli-compresses HTTP responses for Express and raw http servers.
NestJS
A progressive Node.js framework for building efficient, scalable, and maintainable server-side applications in TypeScript.
http-proxy-middleware
The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.
@nestjs/swagger
The official NestJS module that generates OpenAPI (Swagger) documentation from your controllers and DTOs
@nestjs/throttler
The official NestJS rate-limiting module for Express, Fastify, GraphQL, WebSockets, and RPC
@nestjs/event-emitter
Event-driven architecture for NestJS, built on EventEmitter2
verdaccio
A lightweight, zero-config-required private npm registry with built-in caching and proxying of public registries.
grammY
The modern TypeScript framework for building Telegram bots on Node.js and Deno
on-headers
Fire a listener right before a Node.js HTTP response writes its headers.
graphql-yoga
A fully-featured, spec-compliant GraphQL server built on the WHATWG Fetch API, running anywhere from Node to Cloudflare Workers.
serve-static
Express-maintained middleware for serving static files over HTTP, with caching, ETags, and range-request support built in.
negotiator
HTTP content negotiator for Node.js — picks the best media type, language, charset, or encoding
etag
A tiny, zero-dependency generator for RFC 7232 HTTP ETags from strings, Buffers, or fs.Stats.
itty-router
An ultra-tiny (~1kB), zero-dependency TypeScript router built for Cloudflare Workers and other serverless/edge runtimes.
Deno
Secure-by-default JavaScript and TypeScript runtime built in Rust on V8
csurf
CSRF token middleware for Express — archived by the Express team in 2025 and no longer maintained.
method-override
Express/Connect middleware that lets clients override the HTTP method of a request via a header or query string.
response-time
Express and Connect middleware that times each request and writes the elapsed duration to an X-Response-Time header.
Payload
The Next.js-native, TypeScript CMS and application framework with instant REST, GraphQL, and Local APIs.
Medusa
Open-source headless commerce platform and framework for Node.js and TypeScript.