Highland is a comprehensive high-level streams library for Node.js and browsers that unifies synchronous and asynchronous data processing through a single, powerful abstraction.

JavaScript charting framework for creating interactive, responsive, and visually appealing charts

Beautiful hand-crafted SVG icons as React components, providing outline and solid icon variants in multiple sizes for modern React applications.

A JavaScript parser built from the Hermes engine that supports ES6, Flow, and JSX syntax

Comprehensive Express.js security middleware library that automatically sets multiple HTTP response headers to protect web applications against common security vulnerabilities.

A robust HTML entities encoder/decoder with full Unicode support.

Express.js template engine plugin for Handlebars

Hyperscript interface for creating hast (HTML/SVG) syntax trees with CSS selector support and JSX integration

Serialize hast (HTML Abstract Syntax Tree) nodes to HTML strings with comprehensive configuration options

A consistent hashring compatible with ketama hashing and python's hash_ring

Various cryptographic hash functions that work in both browser and Node.js environments.

Object.prototype.hasOwnProperty.call shortcut providing safe property existence checking

Hardhat plugin providing comprehensive deployment system for Ethereum smart contracts with replicable deployments and enhanced testing capabilities.

Extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

webpack speed booster that parallelizes file transformations across multiple Node.js worker processes

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface including DOM, HTML, CSS, events, and fetch APIs

Use Happy DOM globally in a Node.js environment for testing.

Comprehensive test utility framework for Node.js applications with advanced testing capabilities

General purpose node utilities providing object manipulation, array operations, string utilities, data validation, async utilities, and path operations for the hapi ecosystem.

HTTP Server framework for Node.js with built-in authentication, validation, caching, logging, and plugin architecture