6to5
Turn ES6 code into readable vanilla ES5 with source maps
Type Script
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Testcafe
A Node.js tool to automate end-to-end web testing.
Grunt
Grunt: The JavaScript Task Runner
Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
Platform
Reactive libraries for Angular
Sinon.js
Test spies, stubs and mocks for JavaScript.
Dotenv Linter
⚡️Lightning-fast linter for .env files. Written in Rust 🦀
Stencil
A Web Component compiler for building fast, reusable UI components and Progressive Web Apps 💎 Built by the Ionic Framework team
Xv
:x: :heavy_check_mark: A beautifully simple and capable test runner
Ar.js
Image tracking, Location Based AR, Marker tracking. All on the Web.
Ag Grid
The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.
Prettydiff
Compare code instead of text.
Thrill
Runs tests in many browsers.
Treant Js
Treant.js - javascript library for drawing tree diagrams
Reef
A lightweight library for creating reactive, state-based components and UI.
Qunit
An easy-to-use JavaScript Unit Testing framework.