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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Jetpack
trend
2,150 websites

Jetpack is free to use

https://jetpack.com/

Jetpack is a free WordPress plugin that allows you to focus on what you do best. Create and publish great content. We’ll take care of the rest.

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 Despite its recent growth, Jetpack is still behind Backbone.js in all market share segments.

Websites Categories

1 Backbone.js has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Adult, Lifestyle and 19 other categories.

2 Jetpack is leading in News & Media.

Geography

1 Backbone.js is leading in most countries, including United States, United Kingdom, Canada, Germany and 159 other countries.

2 Jetpack is leading in Japan and Seychelles.