Backbone.js
781,951 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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Slick
2,444,289 websites

Slick is free to use

http://kenwheeler.github.io/slick/

Carousel JavaScript solution

Market Share by Top Websites

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

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

Websites Categories

1 Slick has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Lifestyle, Health and 16 other categories.

2 Backbone.js is leading in Arts & Entertainment, Games, Adult and Hobbies & Leisure.

Geography

1 Slick is leading in most countries, including United States, Japan, Russia, Germany and 162 other countries.

2 Backbone.js hasn't got a lead over Slick in any country.