# JavaScript Tools ##### JS utilities: - [lodash](https://lodash.com/) - [underscore.js](http://underscorejs.org/) - [Moment.js](http://momentjs.com/) - [string.js](http://stringjs.com/) - [Numeral.js](http://numeraljs.com/) - [accounting.js](http://openexchangerates.github.io/accounting.js/) - [xregexp.com](http://xregexp.com/) - [Math.js](http://mathjs.org/) - [wait](https://github.com/elving/wait) - [async](https://github.com/caolan/async) - [format.js](http://formatjs.io/) ##### Transpiling (ESX to ESX): - [Babel](https://babeljs.io/) ##### JavaScript compatibility checker: - [http://jscc.info/](http://jscc.info/) ##### Linting/hinting: - [jshint](http://jshint.com/) - [eshint](http://eslint.org/) - [JSLint](http://www.jslint.com/) - [jslinterrors.com](http://jslinterrors.com/) ##### Unit testing: - [Mocha](http://mochajs.org/) - [QUnit](http://qunitjs.com/) - [Jasmine](http://jasmine.github.io/) - [Jest](http://facebook.github.io/jest/) ##### Testing assertions for unit testing: - [should.js](http://shouldjs.github.io/) - [Chai](http://chaijs.com/) - [expect.js](https://github.com/Automattic/expect.js) ##### Test spies, stubs, and mocks for unit testing: - [sinon.js](http://sinonjs.org/) ##### Code style linter : - [JSCS](http://jscs.info/) ##### Code formater/beautifier: - [jsfmt](http://rdio.github.io/jsfmt/) - [esformatter](https://github.com/millermedeiros/esformatter#esformatterformatstr-optsstring) - [js-beautify](http://jsbeautifier.org/) ##### Performance testing: - [jsperf](http://jsperf.com/) - [benchmark.js](http://benchmarkjs.com/) ##### Visualization, static analysis, complexity, coverage tools: - [jscomplexity.org](http://jscomplexity.org/) - [istanbul](https://github.com/gotwarlost/istanbul) - [Blanket.js](http://blanketjs.org/) - [Coveralls](https://coveralls.io/) [$] - [Plato](https://github.com/es-analysis/plato) - [escomplex](https://github.com/jared-stilwell/escomplex) - [Esprima](http://esprima.org/) ##### Optimizer: - [UglifyJS 2](https://github.com/mishoo/UglifyJS2) ##### Obfuscate: - [Javascript Obfuscator](http://www.javascriptobfuscator.com/) [free to $] - [JScrambler](https://jscrambler.com/) [$] ##### Online js code editors: - [jsbin.com](http://jsbin.com/) - [jsfiddle.net](http://jsfiddle.net/) - [es6fiddle.net](http://www.es6fiddle.net/) ##### Online Regular expression editors/visual tools: - [regex101](https://regex101.com/) - [regexper](http://regexper.com/) - [debuggex](https://www.debuggex.com) - [RegExr](http://regexr.com/) ##### Authoring conventions: - [Node.js Style Guide](https://github.com/felixge/node-style-guide) - [Principles of Writing Consistent, Idiomatic JavaScript](https://github.com/rwaldron/idiomatic.js) - [Airbnb JavaScript Style Guide](http://airbnb.io/javascript/) ##### Trending JS repositories on Github this month: [https://github.com/trending?l=javascript&since=monthly](https://github.com/trending?l=javascript&since=monthly) ##### Most depended upon packages on NPM: [https://www.npmjs.com/browse/depended](https://www.npmjs.com/browse/depended)