freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

A JS library for predictable global state management

Declarative routing for React

⏳ Modern JavaScript date utility library ⌛️

The Select Component for React.js

Actor-based state management & orchestration for complex app logic.

Dead simple Object schema validation

⚪ SVG-Powered component to easily create skeleton loadings.

Help secure Express apps with various HTTP headers

Create and animate hand-drawn annotations on a web page

glob functionality for node.js

A simple and reusable datepicker component for React

Better tools for thought

DayPicker is a customizable date picker component for React. Add date pickers, calendars, and date inputs to your web applications.

😎 Compose render props components like a pro

The Svelte Language Server, and official extensions which use it

Cloud Carbon Footprint is a tool to estimate energy use (kilowatt-hours) and carbon emissions (metric tons CO2e) from public cloud usage

Abstracts readiness, liveness and startup checks and graceful shutdown of Node.js services running in Kubernetes.

Jest watch plugin for filtering test by file name or test name

The projects for the Frontend Masters course, the Complete Intro to Containers

Typescript monorepo for Svelte v3 (preprocess, template, types)

Memento design pattern in Svelte