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

44Health
Library npm

accepts

Higher-level HTTP content negotiation for Node.js, wrapping negotiator with type shorthands and charset, encoding, and language matching.

265
MIT
Used by 1
77Health
Library npm

css-what

A lightweight, spec-compliant CSS selector parser and stringifier with zero runtime dependencies

250
Other
Used by 1
42Health
Tool npm

babel-plugin-angularjs-annotate

Babel plugin that adds AngularJS 1.x dependency-injection annotations to ES5 and ES6 code automatically.

237
MIT
Used by 1
48Health
Library npm

@hapi/inert

Serves static files and directories in hapi.js applications with caching, range requests, and path-confinement security.

236
BSD 3
Used by 1
79Health
Library npm

cascader

A headless React cascader component for selecting values from hierarchical option trees, with search, multi-select, and async loading built in.

234
MIT
Used by 1
42Health
Library npm

IBANTools

Zero-dependency TypeScript library for validating, formatting, and extracting IBAN, BBAN, and BIC/SWIFT numbers.

230
Other
Used by 1
57Health
Library npm

StableLib (@stablelib/base64)

Constant-time Base64 encoding and decoding for TypeScript and JavaScript, including a URL-safe variant.

221
MIT
Used by 1
85Health
Library PyPI

Cucumber Expressions

A human-readable alternative to regular expressions for matching Gherkin step text

200
MIT
Used by 1
43Health
Library npm

react-csv-reader

A lightweight React component that turns CSV file uploads into parsed data with zero manual FileReader wiring.

199
MIT
Used by 1
62Health
Library npm

rc-switch

Accessible React switch component with controlled and uncontrolled toggle modes.

196
MIT
Used by 1
42Health
Library Composer

Elastic Migrations

Versioned, artisan-driven Elasticsearch index migrations for Laravel.

195
MIT
Used by 1
67Health
Library npm

rc-motion

Lifecycle-driven CSSMotion primitives for React enter, leave, and list animations.

179
MIT
Used by 1
41Health
Library npm

React Async Script

A React higher-order component that loads third-party scripts asynchronously, dedupes them across component instances, and forwards refs to the wrapped component.

177
MIT
Used by 1
46Health
Library npm

prisma-ast

Parse, query, and modify Prisma schema files as an AST in JavaScript while preserving comments and formatting.

167
MIT
Used by 1
41Health
Library npm

abstract-level

The common abstract class every Level key-value database implementation extends, with encodings, sublevels, hooks and events built in.

166
MIT
Used by 1
45Health
Library npm

h2o2

Proxy handler plugin for hapi.js that forwards requests to an upstream service with fine-grained control.

164
BSD 3
Used by 1
55Health
Library Composer

Intervention Image Laravel

Laravel integration for Intervention Image with a service provider, facade, and config.

161
MIT
Used by 1
38Health
Library npm

acorn-typescript

An Acorn plugin that extends the fast JavaScript parser with TypeScript, JSX/TSX, and decorator syntax.

154
MIT
Used by 1
36Health
Library npm

later

Composable library for defining recurring schedules and calculating their next or previous occurrences.

149
MIT
Used by 1
47Health
Library Composer

laravel-gelf-logger

Laravel custom log channel that sends GELF logs to Graylog and compatible backends.

135
MIT
Used by 1
78Health
SDK npm

@tryghost/content-api

Official JavaScript client for Ghost's Content API, wrapping posts, pages, tags, authors, tiers, newsletters, and offers in a small promise-based interface.

134
MIT
Used by 1
41Health
Library npm

ansicolor

A dependency-free JavaScript library for ANSI color styling, parsing, and ANSI-to-CSS/Chrome DevTools conversion.

126
Other
Used by 1
71Health
SDK Composer

Resend for Laravel

Resend's official Laravel SDK, adding a mail transport, facade, webhooks, and email events to your app.

126
MIT
Used by 1
49Health
Framework npm

UI-Router Core

Framework-agnostic state machine for URL-driven routing, transitions, and nested views in JS SPAs.

125
MIT
Used by 1

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers