Best JavaScript Tools & Libraries

jest-dom

github

:owl: Custom jest matchers to test the state of the DOM

pa11y

github

Pa11y is your automated accessibility testing pal

youtube

github

Open YouTube / Video browser-extension [top~1] Enrich your experience&choice!🧰250+tweaks & smart features📌set&forget📌 - Longest-standing. Join🧩us?👨‍👩‍👧‍👧 ⋮ {playback|discovery|extra player buttons|quality|codec|full tab|full screen|no distraction|shorts}

nodejs-testing-best-practices

github

Beyond the basics of Node.js testing. Including a super-comprehensive best practices list and an example app (April 2025)

dredd

github

Language-agnostic HTTP API Testing Tool

CodeceptJS

github

Supercharged End 2 End Testing Framework for NodeJS

UserScripts

github

Greasemonkey scripts ( Pagetual / Picviewer CE+ / DownloadAllContent ) 油猴腳本集 ユーザースクリプト集

retire.js

github

scanner detecting the use of JavaScript libraries with known vulnerabilities. Can also generate an SBOM of the libraries it finds.

vm2

github

Advanced vm/sandbox for Node.js

qunit

github

🔮 An easy-to-use JavaScript unit testing framework.

shhgit

github

Ah shhgit! Find secrets in your code. Secrets detection for your GitHub, GitLab and Bitbucket repositories.

reverse-shell-generator

github

Hosted Reverse Shell generator with a ton of functionality. -- (Great for CTFs)

jest-image-snapshot

github

✨ Jest matcher for image comparisons. Most commonly used for visual regression testing.

stegcloak

github

Hide secrets with invisible characters in plain text securely using passwords 🧙🏻‍♂️⭐

cloudsploit

github

Cloud Security Posture Management (CSPM)

node-rate-limiter-flexible

github

Atomic and non-atomic counters and rate limiting tools. Limit resource access at any scale.

twofactorauth

github

List of sites with two factor auth support which includes SMS, email, phone calls, hardware, and software.

express-gateway

github

A microservices API Gateway built on top of Express.js

pwndoc

github

Pentest Report Generator

organice

github

An implementation of Org mode without the dependency of Emacs - built for mobile and desktop browsers

Pi.Alert

github

WIFI / LAN intruder detector. Check the devices connected and alert you with unknown devices. It also warns of the disconnection of "always connected" devices

Shuffle

github

Shuffle: A general purpose security automation platform. Our focus is on collaboration and resource sharing.

nothing-private

github

Do you think you are safe using private browsing or incognito mode?. :smile: :imp: This will prove that you're wrong. Previously hosted at nothingprivate.ml

cloudsplaining

github

Cloudsplaining is an AWS IAM Security Assessment tool that identifies violations of least privilege and generates a risk-prioritized report.