Explore

HTTP mocking and expectations

Next-generation JavaScript test runner and code coverage

Hackable HTTP proxy to simulate failure scenarios and network conditions

Hook and modify stdout/stderr

Run tests for multiple versions of Node.js locally with NVM

Automated testing based on the WebDriver protocol

Automated browser testing

Supercharged end-to-end testing framework for JavaScript

Run any command on multiple versions of Node.js locally

Accessibility engine for automated Web UI testing

Provides lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container

Unified API for all password hashing algorithms

GitHub app that provides security feedback in pull requests

Brute-force and DDoS attack protection

Async non-blocking hashing

Encryption and decryption of data using the JOSE (JSON Object Signing and Encryption) standard

Simple, unobtrusive authentication

OAuth providers for Express, Koa, Hapi, Fastify, AWS Lambda, Azure, Google Cloud, Vercel, and many more

Isomorphic authorization for UI and API

Authorization library that supports access control models like ACL, RBAC and ABAC

The fastest way to handle email

Send text/HTML emails with attachments to any SMTP server

Open-source and self-hostable email service

Redis-backed job queue engine with advanced job control