Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
Chai
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Ar.js
Image tracking, Location Based AR, Marker tracking. All on the Web.
Sinon.js
Test spies, stubs and mocks for JavaScript.
Reef
A lightweight library for creating reactive, state-based components and UI.
6to5
Turn ES6 code into readable vanilla ES5 with source maps
Stencil
A Web Component compiler for building fast, reusable UI components and Progressive Web Apps 💎 Built by the Ionic Framework team
Qunit
An easy-to-use JavaScript Unit Testing framework.
Dotenv Linter
⚡️Lightning-fast linter for .env files. Written in Rust 🦀
Treant Js
Treant.js - javascript library for drawing tree diagrams
Mocha
A simple, flexible, fun javascript test framework for node.js & the browser. (BDD, TDD, QUnit styles via interfaces)
Argon
An open-standards augmented reality platform for the web
Ampersand
Quickest way to get started with ampersand.
Blanket
blanket.js is a simple code coverage library for javascript. Designed to be easy to install and use, for both browser and nodejs.
Intern
A next-generation code testing stack for JavaScript.
Hashgrid
A little tool that inserts a layout grid in web pages, allows you to hold it in place, and toggle between displaying it in the foreground or background.
Mimosa
A lightning-fast, modular, next generation browser development tool.