Analytics package that collects installation statistics for npm packages to help open-source maintainers understand usage patterns.

Unit testing framework for Sass code with JavaScript test runner integration

Sass loader for webpack that compiles Sass/SCSS files to CSS during the build process

Node.js-based linting tool for Sass and SCSS files with 75+ configurable rules and both CLI and programmatic APIs.

Fast, small, and reliable file system watcher with multiple monitoring strategies.

API-driven framework for building realtime apps, using MVC conventions (based on Express and Socket.io)

Detect possibly catastrophic, exponential-time regular expressions

Safer Node.js Buffer API with secure buffer allocation methods to prevent uninitialized memory disclosure vulnerabilities

Smooth CLI operator for building command-line applications with subcommands, options, and automated help text generation.

A lightweight proxy API for accessing @microsoft/rush-lib with smart loading and version resolution

Library for composing asynchronous and event-based operations in JavaScript using Observable sequences and fluent query operators

Enhance ESLint with better support for large scale monorepos

A TypeScript ESLint ruleset designed for large teams and projects

Runtime validation for static types

Run an array of functions in parallel

A runtime type assertion library for Traceur-compiled JavaScript applications.

Framework for transforming cascading style sheets (CSS) from left-to-right (LTR) to right-to-left (RTL)

A lightweight library that provides tools for organizing asynchronous code

The Rsbuild-based library development tool.

Fast Rust-based web bundler with webpack-compatible API