Backbone.js
trend
781,970 websites

Backbone.js is free to use

http://backbonejs.org/

Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing A...

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MooTools
trend
192,009 websites

MooTools is free to use

http://mootools.net/

MooTools is a collection of JavaScript utilities designed for the intermediate to advanced JavaScript developer. It allows you to write powerful and flexible code with its elegant, well documented, and coherent APIs.

Market Share by Top Websites

1 Backbone.js is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, MooTools is clearly lagging behind, losing to Backbone.js in all segments.

Websites Categories

1 Backbone.js has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Adult, Lifestyle and 20 other categories.

2 MooTools hasn't got a lead over Backbone.js in any websites category.

Geography

1 Backbone.js is leading in most countries, including United States, United Kingdom, Canada, Germany and 146 other countries.

2 MooTools is leading in Russia, Poland, Greece, Ukraine and 11 other countries.