Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

85Health
Framework npm

Express

The fast, unopinionated, minimalist web framework for Node.js

69,493
MIT
Used by 158
48Health
Library npm

jsonwebtoken

The de facto Node.js library for signing, verifying, and decoding JSON Web Tokens.

18,189
MIT
Used by 93
91Health
Tool PyPI

Uvicorn

A lightning-fast ASGI server for Python, built on uvloop and httptools.

10,993
BSD 3
Used by 83
50Health
Library npm

cors

Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.

6,195
MIT
Used by 79
91Health
Framework PyPI

FastAPI

A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.

102,676
MIT
Used by 78
88Health
Library npm

jose

Zero-dependency JWT, JWS, JWE, and JWK toolkit for Node.js, browsers, and edge runtimes.

7,812
MIT
Used by 66
65Health
Library Go

jwt

A zero-dependency Go implementation of JSON Web Tokens (JWT) with pluggable HMAC, RSA, RSA-PSS, ECDSA, and Ed25519 signing methods.

9,230
MIT
Used by 62
90Health
Framework npm

Hono

A small, ultrafast web framework built on Web Standards that runs identically everywhere.

32,364
MIT
Used by 60
50Health
Library npm

cookie-parser

Express middleware that parses HTTP Cookie headers into req.cookies, with support for signed and JSON-encoded cookie values.

2,030
MIT
Used by 52
58Health
Library npm

bcrypt.js

A zero-dependency, pure JavaScript implementation of bcrypt for hashing and verifying passwords in Node.js and the browser.

3,797
BSD 3
Used by 51
85Health
Library npm

Multer

Streamlined multipart/form-data file upload handling for Express and Node.js APIs.

12,087
MIT
Used by 44
86Health
Library PyPI

PyJWT

A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.

5,706
MIT
Used by 44
95Health
SDK Go

AWS SDK for Go v2

The official AWS SDK for Go — type-safe, modular clients for every AWS service.

3,658
Apache 2.0
Used by 44
95Health
Framework PyPI

aiohttp

Asynchronous HTTP client and server framework for Python's asyncio, covering both API calls and building web/WebSocket services.

16,561
Apache 2.0
Used by 40
89Health
Framework npm

Better Auth

The most comprehensive, framework-agnostic authentication and authorization framework for TypeScript.

30,086
MIT
Used by 37
98Health
Library PyPI

google-auth

The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.

5,391
Apache 2.0
Used by 37
85Health
Library npm

@hono/node-server

The official Node.js adapter that runs your Hono application on a native Node HTTP server using web-standard APIs.

676
MIT
Used by 37
82Health
Library npm

body-parser

Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.

5,499
MIT
Used by 36
90Health
Framework npm

tRPC Server

Build end-to-end typesafe APIs in TypeScript with no schemas, no code generation, and zero runtime bloat.

40,666
MIT
Used by 35
49Health
Library Go

mux

A lightweight, http.Handler-compatible Go router that matches requests by path, host, method, headers, and query, and can reverse them back into URLs.

21,838
BSD 3
Used by 35
48Health
Library npm

bcrypt

Battle-tested password hashing for Node.js using the adaptive bcrypt algorithm.

7,804
MIT
Used by 34
90Health
Library npm

@hono/zod-validator

Type-safe request validation middleware for Hono, powered by Zod schemas.

993
MIT
Used by 34
96Health
SDK npm

google-api-nodejs-client

Google's officially supported Node.js client library for calling hundreds of Google APIs with built-in OAuth 2.0, API key, and service-account auth.

12,256
Apache 2.0
Used by 33
88Health
Tool PyPI

Gunicorn

A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.

10,686
MIT
Used by 33

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