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

56Health
Library npm

whatwg-fetch

A lightweight polyfill bringing the window.fetch API to browsers that lack native support

25,851
MIT
Used by 16
48Health
Library npm

localForage

Offline browser storage library with a simple localStorage-like API backed by IndexedDB or WebSQL.

25,813
Apache 2.0
Used by 16
55Health
Library npm

react-toastify

Drop-in toast notifications for React apps — accessible, themeable, and callable from anywhere in your code.

13,435
MIT
Used by 16
94Health
Library npm

@nestjs/swagger

The official NestJS module that generates OpenAPI (Swagger) documentation from your controllers and DTOs

1,894
MIT
Used by 16
92Health
Library npm

Protobuf-ES

A conformance-tested, ESM-first Protocol Buffers runtime and code generator for modern JavaScript and TypeScript.

1,662
Apache 2.0
Used by 16
84Health
Library npm

got

Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.

14,940
MIT
Used by 15
50Health
Library npm

pdf-lib

Create and modify PDF documents in any JavaScript environment, from Node to the browser

8,630
MIT
Used by 15
50Health
Library npm

rehype

A unified-based HTML processor with a large plugin ecosystem

2,255
MIT
Used by 15
69Health
Library npm

OTPAuth

HOTP and TOTP one-time password library for Node.js, Deno, Bun, and browsers

1,476
MIT
Used by 15
84Health
Library npm

@nestjs/passport

The official NestJS integration module for the Passport authentication middleware

558
MIT
Used by 15
76Health
Library npm

joi

The most powerful schema description language and data validator for JavaScript

21,174
Other
Used by 14
67Health
Library npm

mathjs

Extensive math library for JavaScript and Node.js with big numbers, complex numbers, units, and matrices.

15,072
Apache 2.0
Used by 14
90Health
Library npm

Lingui

A readable, 2kb internationalization runtime for JavaScript with ICU MessageFormat and rich-text support.

5,875
MIT
Used by 14
85Health
Tool npm

openapi-ts

OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.

5,406
MIT
Used by 14
49Health
Library npm

eslint-config-airbnb-typescript

Airbnb's ESLint config extended with TypeScript support

1,041
MIT
Used by 14
79Health
Library npm

@nestjs/jwt

Official NestJS module for signing, verifying, and decoding JWTs

687
MIT
Used by 14
65Health
SDK npm

libSQL Client (TypeScript)

The TypeScript/JavaScript driver for libSQL and Turso databases

576
MIT
Used by 14
90Health
Library npm

@xmldom/xmldom

A pure JavaScript, W3C-standard DOMParser and XMLSerializer for parsing and building XML/HTML documents

465
MIT
Used by 14
86Health
Framework npm

Solid.js

A declarative JavaScript library that compiles to real DOM nodes and updates them with fine-grained reactivity — no virtual DOM required.

36,035
MIT
Used by 13
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13
91Health
Library npm

React Intl

React components and hooks for internationalizing apps with locale-aware dates, numbers, lists, and pluralized, translated messages.

14,745
BSD 3
Used by 13
90Health
Framework Cargo

napi-rs

Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required

7,939
MIT
Used by 13
93Health
SDK npm

@notionhq/client

The official JavaScript and TypeScript client for the Notion API, with typed methods for every endpoint.

5,663
MIT
Used by 13
64Health
SDK npm

@sendgrid/mail

Official Node.js SDK for sending transactional and marketing email through the Twilio SendGrid API.

3,052
MIT
Used by 13

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