arbor.js
76 websites

arbor.js offers both free and paid options

http://arborjs.org/

Arbor is a graph visualization library built with web workers and jQuery.

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Require JS
856,419 websites

Require JS is free to use

http://requirejs.org/

RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node.

Market Share by Top Websites

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

2 In terms of market share, arbor.js is clearly lagging behind, losing to Require JS in all segments.

Websites Categories

1 Require JS has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Games, Arts & Entertainment and 20 other categories.

2 arbor.js hasn't got a lead over Require JS in any websites category.

Geography

1 Require JS is leading in most countries, including United States, Germany, United Kingdom, China and 162 other countries.

2 arbor.js hasn't got a lead over Require JS in any country.