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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LightBox
1,094,240 websites

LightBox is free to use

https://github.com/lokesh/lightbox2/

Lightbox is small javascript library used to overlay images on top of the current page. It's a snap to setup and works on all modern browsers.

Market Share by Top Websites

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

2 Backbone.js is leading in Top 10K Sites.

Websites Categories

1 LightBox has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Health, Law & Government and 14 other categories.

2 Backbone.js is leading in Arts & Entertainment, Games, Adult, Lifestyle and 2 other categories.

Geography

1 LightBox is leading in most countries, including United States, Germany, Japan, Russia and 159 other countries.

2 Backbone.js is leading in Cayman Islands, Guernsey and French Guiana.