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

82Health
Library npm

react-hotkeys-hook

A lightweight React hook for wiring up keyboard shortcuts in components declaratively.

3,503
MIT
Used by 45
48Health
Library npm

unified

Parse, inspect, transform, and serialize content through syntax-tree plugins.

5,036
MIT
Used by 44
76Health
Library npm

file-type

Detect the file type of a buffer, stream, or file by reading its magic number.

4,325
MIT
Used by 44
90Health
Library npm

Inquirer.js

Interactive command-line prompts for Node.js — lists, checkboxes, confirms, and more with a single async API.

21,630
MIT
Used by 43
77Health
Library npm

execa

A modern process-execution library for Node.js with template-string syntax and zero shell-injection risk.

7,609
MIT
Used by 43
75Health
Framework npm

yargs

The modern, pirate-themed command-line argument parser and command framework for Node.js

11,504
MIT
Used by 42
84Health
Library npm

sanitize-html

Allowlist-based HTML sanitizer that strips XSS vectors from untrusted markup while preserving the tags and attributes you choose to keep.

4,630
MIT
Used by 42
44Health
Library npm

buffer

The Node.js Buffer API, reimplemented for the browser on top of Uint8Array.

1,891
MIT
Used by 42
46Health
Tool npm

npm-run-all

A cross-platform CLI that runs multiple npm-scripts in parallel or in sequence, replacing fragile shell operators like && with Windows-safe orchestration.

5,834
MIT
Used by 41
50Health
Library npm

mime-types

The ultimate JavaScript content-type utility for resolving MIME types from file extensions and paths.

1,476
MIT
Used by 41
74Health
Library npm

js-cookie

A simple, lightweight JavaScript API for handling browser cookies, client-side.

22,588
MIT
Used by 40
59Health
Library npm

Archiver

A streaming Node.js library for generating ZIP and TAR archives on the fly

2,977
MIT
Used by 40
95Health
Library npm

Socket.IO

Bidirectional, low-latency, event-based realtime communication for Node.js and the browser.

63,210
MIT
Used by 39
72Health
Library npm

turndown

Convert HTML into clean, customizable Markdown in Node.js and the browser.

11,451
MIT
Used by 38
90Health
SDK npm

@clickhouse/client

The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.

332
Apache 2.0
Used by 38
92Health
Framework npm

Docusaurus

React-based static site generator for building fast, maintainable documentation websites.

66,349
MIT
Used by 36
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
76Health
Tool npm

TypeScript Native Preview

Preview npm build of tsgo, the native Go port of the TypeScript compiler ahead of TypeScript 7.0.

26,165
Apache 2.0
Used by 34
54Health
Library npm

html-to-image

Turns any DOM node into a PNG, JPEG, SVG, or canvas image entirely client-side, with no server or screenshot service required.

7,242
MIT
Used by 34
84Health
Library npm

cron-parser

Parse, validate, and iterate cron expressions in Node.js with full timezone and DST support.

1,495
MIT
Used by 34
69Health
Library npm

compression

Node.js middleware that transparently gzip-, deflate-, or Brotli-compresses HTTP responses for Express and raw http servers.

2,805
MIT
Used by 33
84Health
Library npm

cRonstrue

Turns cron expressions into human-readable descriptions, in 30+ languages.

1,636
MIT
Used by 33
50Health
Library npm

debug

A tiny, zero-config JavaScript debugging utility with namespaced, color-coded output for Node.js and the browser.

11,456
MIT
Used by 32
71Health
Library npm

helmet

Secure Node and Express apps by setting protective HTTP response headers with a single line of middleware.

10,736
MIT
Used by 32

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