1. Type Script
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.Type Script created by Microsoft, this repo was created in 2014
Now the number of Watchers for the Type Script repo is 65,321, and it has a 8740 Forks
you can find here the official website for Type Script
you can Click here Type Script to download the master branch from GitHub
2. 6to5
Turn ES6 code into readable vanilla ES5 with source maps6to5 created by sebmck, this repo was created in 2014
Now the number of Watchers for the 6to5 repo is 37,672, and it has a 4538 Forks
you can find here the official website for 6to5
you can Click here 6to5 to download the master branch from GitHub
3. Yarn
Fast, reliable, and secure dependency management.Yarn created by yarnpkg, this repo was created in 2016
Now the number of Watchers for the Yarn repo is 39,159, and it has a 2606 Forks
you can find here the official website for Yarn
you can Click here Yarn to download the master branch from GitHub
4. Cypress
Fast, easy and reliable testing for anything that runs in a browser.Cypress created by cypress-io, this repo was created in 2015
Now the number of Watchers for the Cypress repo is 24,212, and it has a 1447 Forks
you can find here the official website for Cypress
you can Click here Cypress to download the master branch from GitHub
5. Mocha
A simple, flexible, fun javascript test framework for node.js & the browser. (BDD, TDD, QUnit styles via interfaces)Mocha created by visionmedia, this repo was created in 2011
Now the number of Watchers for the Mocha repo is 19,936, and it has a 2741 Forks
you can find here the official website for Mocha
you can Click here Mocha to download the master branch from GitHub
6. Gulp
The streaming build systemGulp created by gulpjs, this repo was created in 2013
Now the number of Watchers for the Gulp repo is 31,976, and it has a 4402 Forks
you can find here the official website for Gulp
you can Click here Gulp to download the master branch from GitHub
7. Faker.js
generate massive amounts of fake data in Node.js and the browserFaker.js created by Marak, this repo was created in 2010
Now the number of Watchers for the Faker.js repo is 25,559, and it has a 2140 Forks
you can find here the official website for Faker.js
you can Click here Faker.js to download the master branch from GitHub
8. Jasmine
DOM-less simple JavaScript testing frameworkJasmine created by pivotal, this repo was created in 2008
Now the number of Watchers for the Jasmine repo is 14,966, and it has a 2206 Forks
you can find here the official website for Jasmine
you can Click here Jasmine to download the master branch from GitHub
9. Bluebird
Bluebird is a full featured promise library with unmatched performance.Bluebird created by petkaantonov, this repo was created in 2013
Now the number of Watchers for the Bluebird repo is 19,357, and it has a 2356 Forks
you can find here the official website for Bluebird
you can Click here Bluebird to download the master branch from GitHub
10. Platform
Reactive libraries for AngularPlatform created by ngrx, this repo was created in 2017
Now the number of Watchers for the Platform repo is 6,456, and it has a 1620 Forks
you can find here the official website for Platform
you can Click here Platform to download the master branch from GitHub
11. Bower
A package manager for the web, created at TwitterBower created by bower, this repo was created in 2012
Now the number of Watchers for the Bower repo is 15,134, and it has a 1963 Forks
you can find here the official website for Bower
you can Click here Bower to download the master branch from GitHub
12. Nightwatch
UI automated testing framework based on node.js and selenium webdriverNightwatch created by beatfactor, this repo was created in 2012
Now the number of Watchers for the Nightwatch repo is 10,445, and it has a 1031 Forks
you can find here the official website for Nightwatch
you can Click here Nightwatch to download the master branch from GitHub
13. Protractor
E2E test framework for Angular appsProtractor created by angular, this repo was created in 2013
Now the number of Watchers for the Protractor repo is 8,645, and it has a 2376 Forks
you can find here the official website for Protractor
you can Click here Protractor to download the master branch from GitHub
14. JSHint
JSHint is a community-driven tool to detect errors in JavaScript code and enforce your team's coding conventions.JSHint created by jshint, this repo was created in 2011
Now the number of Watchers for the JSHint repo is 8,456, and it has a 1716 Forks
you can find here the official website for JSHint
you can Click here JSHint to download the master branch from GitHub
15. Sinon.js
Test spies, stubs and mocks for JavaScript.Sinon.js created by cjohansen, this repo was created in 2010
Now the number of Watchers for the Sinon.js repo is 8,219, and it has a 764 Forks
you can find here the official website for Sinon.js
you can Click here Sinon.js to download the master branch from GitHub
16. Nock
HTTP mocking and expectations libraryNock created by node-nock, this repo was created in 2011
Now the number of Watchers for the Nock repo is 10,017, and it has a 703 Forks
you can find here the official website for Nock
you can Click here Nock to download the master branch from GitHub
17. Testcafe
A Node.js tool to automate end-to-end web testing.Testcafe created by DevExpress, this repo was created in 2015
Now the number of Watchers for the Testcafe repo is 8,538, and it has a 566 Forks
you can find here the official website for Testcafe
you can Click here Testcafe to download the master branch from GitHub
18. Grunt
Grunt: The JavaScript Task RunnerGrunt created by gruntjs, this repo was created in 2011
Now the number of Watchers for the Grunt repo is 12,034, and it has a 1542 Forks
you can find here the official website for Grunt
you can Click here Grunt to download the master branch from GitHub
19. Browser Sync
Keep multiple browsers & devices in sync when building websites. http://browsersync.ioBrowser Sync created by shakyShane, this repo was created in 2013
Now the number of Watchers for the Browser Sync repo is 11,248, and it has a 736 Forks
you can find here the official website for Browser Sync
you can Click here Browser Sync to download the master branch from GitHub
20. Stencil
A Web Component compiler for building fast, reusable UI components and Progressive Web Apps ???? Built by the Ionic Framework teamStencil created by ionic-team, this repo was created in 2017
Now the number of Watchers for the Stencil repo is 8,497, and it has a 540 Forks
you can find here the official website for Stencil
you can Click here Stencil to download the master branch from GitHub
21. Chai
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.Chai created by chaijs, this repo was created in 2011
Now the number of Watchers for the Chai repo is 7,034, and it has a 641 Forks
you can find here the official website for Chai
you can Click here Chai to download the master branch from GitHub
22. Casper JS
Navigation scripting & testing utility for PhantomJS and SlimerJSCasper JS created by n1k0, this repo was created in 2011
Now the number of Watchers for the Casper JS repo is 7,310, and it has a 1051 Forks
you can find here the official website for Casper JS
you can Click here Casper JS to download the master branch from GitHub
23. Hotel
Start apps from your browser and get local domains without editing /etc/hosts http://i.imgur.com/DrLjbIi.gifHotel created by typicode, this repo was created in 2015
Now the number of Watchers for the Hotel repo is 9,384, and it has a 426 Forks
you can find here the official website for Hotel
you can Click here Hotel to download the master branch from GitHub
24. Gremlins.js
Monkey testing library for web apps and Node.jsGremlins.js created by marmelab, this repo was created in 2013
Now the number of Watchers for the Gremlins.js repo is 8,491, and it has a 416 Forks
you can find here the official website for Gremlins.js
you can Click here Gremlins.js to download the master branch from GitHub
25. Qunit
An easy-to-use JavaScript Unit Testing framework.Qunit created by jquery, this repo was created in 2009
Now the number of Watchers for the Qunit repo is 3,854, and it has a 774 Forks
you can find here the official website for Qunit
you can Click here Qunit to download the master branch from GitHub
26. Yeoman
Yeoman - a set of tools for automating development workflowYeoman created by yeoman, this repo was created in 2012
Now the number of Watchers for the Yeoman repo is 9,536, and it has a 762 Forks
you can find here the official website for Yeoman
you can Click here Yeoman to download the master branch from GitHub
27. Framer
Modern Prototyping ToolFramer created by koenbok, this repo was created in 2012
Now the number of Watchers for the Framer repo is 5,592, and it has a 505 Forks
you can find here the official website for Framer
you can Click here Framer to download the master branch from GitHub
28. Intern
A next-generation code testing stack for JavaScript.Intern created by theintern, this repo was created in 2013
Now the number of Watchers for the Intern repo is 4,279, and it has a 316 Forks
you can find here the official website for Intern
you can Click here Intern to download the master branch from GitHub
29. Holder
Holder renders image placeholders entirely on the client side.Holder created by imsky, this repo was created in 2012
Now the number of Watchers for the Holder repo is 5,731, and it has a 601 Forks
you can find here the official website for Holder
you can Click here Holder to download the master branch from GitHub
30. Shipit
Universal automation and deployment tool written in JavaScript.Shipit created by shipitjs, this repo was created in 2015
Now the number of Watchers for the Shipit repo is 5,074, and it has a 209 Forks
you can find here the official website for Shipit
you can Click here Shipit to download the master branch from GitHub
31. Phantom Css
Visual/CSS regression testing with PhantomJSPhantom Css created by Huddle, this repo was created in 2012
Now the number of Watchers for the Phantom Css repo is 4,766, and it has a 277 Forks
you can find here the official website for Phantom Css
you can Click here Phantom Css to download the master branch from GitHub
32. Broccoli
Browser compilation library – a build tool for applications that run in the browserBroccoli created by broccolijs, this repo was created in 2013
Now the number of Watchers for the Broccoli repo is 3,294, and it has a 218 Forks
you can find here the official website for Broccoli
you can Click here Broccoli to download the master branch from GitHub
33. Csscomb.js
CSS coding style formatterCsscomb.js created by csscomb, this repo was created in 2013
Now the number of Watchers for the Csscomb.js repo is 3,033, and it has a 464 Forks
you can find here the official website for Csscomb.js
you can Click here Csscomb.js to download the master branch from GitHub
34. Vorlonjs
A new, open source, extensible, platform-agnostic tool for remotely debugging and testing your JavaScript. Powered by node.js and socket.ioVorlonjs created by MicrosoftDX, this repo was created in 2015
Now the number of Watchers for the Vorlonjs repo is 2,877, and it has a 263 Forks
you can find here the official website for Vorlonjs
you can Click here Vorlonjs to download the master branch from GitHub
35. Stacktrace.js
Framework-agnostic, micro-library for getting stack traces in all web browsersStacktrace.js created by stacktracejs, this repo was created in 2010
Now the number of Watchers for the Stacktrace.js repo is 3,640, and it has a 299 Forks
you can find here the official website for Stacktrace.js
you can Click here Stacktrace.js to download the master branch from GitHub
36. Jquery Mockjax
The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responsesJquery Mockjax created by appendto, this repo was created in 2010
Now the number of Watchers for the Jquery Mockjax repo is 2,140, and it has a 382 Forks
you can find here the official website for Jquery Mockjax
you can Click here Jquery Mockjax to download the master branch from GitHub
37. Should.js
BDD style assertions for node.js -- test framework agnosticShould.js created by visionmedia, this repo was created in 2010
Now the number of Watchers for the Should.js repo is 2,763, and it has a 211 Forks
you can find here the official website for Should.js
you can Click here Should.js to download the master branch from GitHub
38. Blanket
blanket.js is a simple code coverage library for javascript. Designed to be easy to install and use, for both browser and nodejs.Blanket created by alex-seville, this repo was created in 2012
Now the number of Watchers for the Blanket repo is 1,411, and it has a 197 Forks
you can find here the official website for Blanket
you can Click here Blanket to download the master branch from GitHub
39. Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScriptFast Check created by dubzzz, this repo was created in 2017
Now the number of Watchers for the Fast Check repo is 1,623, and it has a 79 Forks
you can find here the official website for Fast Check
you can Click here Fast Check to download the master branch from GitHub
40. Galen
Layout and functional testing framework for websitesGalen created by galenframework, this repo was created in 2013
Now the number of Watchers for the Galen repo is 1,388, and it has a 166 Forks
you can find here the official website for Galen
you can Click here Galen to download the master branch from GitHub
41. Prettydiff
Compare code instead of text.Prettydiff created by austincheney, this repo was created in 2011
Now the number of Watchers for the Prettydiff repo is 1,531, and it has a 140 Forks
you can find here the official website for Prettydiff
you can Click here Prettydiff to download the master branch from GitHub
42. Tlapse
???? Create a timelapse of your web development... or just automatically take screenshots of your hard work ;)Tlapse created by typicode, this repo was created in 2017
Now the number of Watchers for the Tlapse repo is 1,997, and it has a 66 Forks
you can find here the official website for Tlapse
you can Click here Tlapse to download the master branch from GitHub
43. Jasmine Ajax
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.Jasmine Ajax created by pivotal, this repo was created in 2010
Now the number of Watchers for the Jasmine Ajax repo is 547, and it has a 143 Forks
you can find here the official website for Jasmine Ajax
you can Click here Jasmine Ajax to download the master branch from GitHub
44. Quixote
CSS unit testingQuixote created by jamesshore, this repo was created in 2014
Now the number of Watchers for the Quixote repo is 780, and it has a 44 Forks
you can find here the official website for Quixote
you can Click here Quixote to download the master branch from GitHub
45. Ampersand
Quickest way to get started with ampersand.Ampersand created by AmpersandJS, this repo was created in 2014
Now the number of Watchers for the Ampersand repo is 814, and it has a 51 Forks
you can find here the official website for Ampersand
you can Click here Ampersand to download the master branch from GitHub
46. Punch
A fun and easy way to build modern websitesPunch created by laktek, this repo was created in 2012
Now the number of Watchers for the Punch repo is 1,186, and it has a 106 Forks
you can find here the official website for Punch
you can Click here Punch to download the master branch from GitHub
47. Wire
A light, fast, flexible Javascript IOC containerWire created by cujojs, this repo was created in 2011
Now the number of Watchers for the Wire repo is 855, and it has a 67 Forks
you can find here the official website for Wire
you can Click here Wire to download the master branch from GitHub
48. Trace Kit
Attempts to create stack traces for unhandled JavaScript exceptions in all major browsers.Trace Kit created by occ, this repo was created in 2012
Now the number of Watchers for the Trace Kit repo is 1,061, and it has a 72 Forks
you can find here the official website for Trace Kit
you can Click here Trace Kit to download the master branch from GitHub
49. Pioneer
Integration TestingPioneer created by mojotech, this repo was created in 2013
Now the number of Watchers for the Pioneer repo is 537, and it has a 41 Forks
you can find here the official website for Pioneer
you can Click here Pioneer to download the master branch from GitHub
50. Js Cover
JSCover is a tool that measures code coverage for JavaScript programs. Js Cover created by tntim96, this repo was created in 2012
Now the number of Watchers for the Js Cover repo is 377, and it has a 85 Forks
you can find here the official website for Js Cover
you can Click here Js Cover to download the master branch from GitHub
51. Angular Js Boilerplate
Simple AngularJS Boilerplate to kick start your new project with SASS support and Gulp watch/build tasksAngular Js Boilerplate created by jbutko, this repo was created in 2015
Now the number of Watchers for the Angular Js Boilerplate repo is 406, and it has a 150 Forks
you can find here the official website for Angular Js Boilerplate
you can Click here Angular Js Boilerplate to download the master branch from GitHub
52. Generator Mcfly
A Yeoman generator for scaffolding an application using angular, browserify, ionic and famousGenerator Mcfly created by mcfly-io, this repo was created in 2014
Now the number of Watchers for the Generator Mcfly repo is 330, and it has a 49 Forks
you can find here the official website for Generator Mcfly
you can Click here Generator Mcfly to download the master branch from GitHub
53. Logerr
Playing with console errors, experimental project.Logerr created by i-break-codes, this repo was created in 2016
Now the number of Watchers for the Logerr repo is 398, and it has a 26 Forks
you can find here the official website for Logerr
you can Click here Logerr to download the master branch from GitHub
54. Headstart
An automated front-end setupHeadstart created by flovan, this repo was created in 2013
Now the number of Watchers for the Headstart repo is 541, and it has a 38 Forks
you can find here the official website for Headstart
you can Click here Headstart to download the master branch from GitHub
55. Rulers Guides.js
Creates Photoshop-like guides and rulers interface on a web pageRulers Guides.js created by mark-rolich, this repo was created in 2013
Now the number of Watchers for the Rulers Guides.js repo is 894, and it has a 100 Forks
you can find here the official website for Rulers Guides.js
you can Click here Rulers Guides.js to download the master branch from GitHub
56. Brjs
BladeRunnerJS (BRJS) is an open source development toolkit and framework for modular construction of large single-page HTML5 apps. It consists of a set of conventions, supporting tools and micro-libraries that make it easy to develop, test, deploy and maintain complex JavaScript apps.Brjs created by BladeRunnerJS, this repo was created in 2013
Now the number of Watchers for the Brjs repo is 232, and it has a 36 Forks
you can find here the official website for Brjs
you can Click here Brjs to download the master branch from GitHub
57. Boomerang
End user oriented web performance testing and beaconingBoomerang created by bluesmoon, this repo was created in 2011
Now the number of Watchers for the Boomerang repo is 193, and it has a 26 Forks
you can find here the official website for Boomerang
you can Click here Boomerang to download the master branch from GitHub
58. Mimosa
A lightning-fast, modular, next generation browser development tool.Mimosa created by dbashford, this repo was created in 2012
Now the number of Watchers for the Mimosa repo is 532, and it has a 37 Forks
you can find here the official website for Mimosa
you can Click here Mimosa to download the master branch from GitHub
59. Screenlog.js
Bring console.log on the screenScreenlog.js created by chinchang, this repo was created in 2015
Now the number of Watchers for the Screenlog.js repo is 586, and it has a 63 Forks
you can find here the official website for Screenlog.js
you can Click here Screenlog.js to download the master branch from GitHub
60. 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.Hashgrid created by dotjay, this repo was created in 2009
Now the number of Watchers for the Hashgrid repo is 457, and it has a 49 Forks
you can find here the official website for Hashgrid
you can Click here Hashgrid to download the master branch from GitHub
61. Csscritic
A lightweight framework for regression testing of Cascading Style SheetsCsscritic created by cburgmer, this repo was created in 2012
Now the number of Watchers for the Csscritic repo is 456, and it has a 20 Forks
you can find here the official website for Csscritic
you can Click here Csscritic to download the master branch from GitHub
62. Roughdraft.js
Quickly create an interactive HTML mock-up by auto sourcing lorem ipsum/images generators, with minimal html markup, and no server side codeRoughdraft.js created by ndreckshage, this repo was created in 2013
Now the number of Watchers for the Roughdraft.js repo is 467, and it has a 37 Forks
you can find here the official website for Roughdraft.js
you can Click here Roughdraft.js to download the master branch from GitHub
63. Monitor.io
remote monitoring and debugging for socket.ioMonitor.io created by drewblaisdell, this repo was created in 2014
Now the number of Watchers for the Monitor.io repo is 448, and it has a 13 Forks
you can find here the official website for Monitor.io
you can Click here Monitor.io to download the master branch from GitHub
64. Spa Eye
Backbone debugger for FirefoxSpa Eye created by dhruvaray, this repo was created in 2013
Now the number of Watchers for the Spa Eye repo is 190, and it has a 12 Forks
you can find here the official website for Spa Eye
you can Click here Spa Eye to download the master branch from GitHub
65. Apitizer
API mocking for client JavaScript applicationsApitizer created by retro, this repo was created in 2014
Now the number of Watchers for the Apitizer repo is 334, and it has a 11 Forks
you can find here the official website for Apitizer
you can Click here Apitizer to download the master branch from GitHub
66. Angular Debaser
Just a better way to test AngularJS apps.Angular Debaser created by decipherinc, this repo was created in 2014
Now the number of Watchers for the Angular Debaser repo is 109, and it has a 3 Forks
you can find here the official website for Angular Debaser
you can Click here Angular Debaser to download the master branch from GitHub
67. Jscritic
Quickly check how well 3rd party script behaves.Jscritic created by kangax, this repo was created in 2014
Now the number of Watchers for the Jscritic repo is 119, and it has a 8 Forks
you can find here the official website for Jscritic
you can Click here Jscritic to download the master branch from GitHub
68. Thrill
Runs tests in many browsers.Thrill created by turn, this repo was created in 2012
Now the number of Watchers for the Thrill repo is 0, and it has a 0 Forks
you can find here the official website for Thrill
you can Click here Thrill to download the master branch from GitHub
Conclusion
That's all about Top 68 Javascript development aids Libraries You Should Know.
What is your favorite JavaScript library? Feel free to share in the comments below.
