jQuery UI
2,739,531 websites

jQuery UI is free to use

http://jqueryui.com/

jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you're building highly interactive web applications or you just need to add a date picker to a fo...

VS

Slick
2,444,289 websites

Slick is free to use

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

Carousel JavaScript solution

Market Share by Top Websites

1 jQuery UI is leading in Top 10K Sites and The Entire Web.

2 Slick is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 jQuery UI has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Health, Travel & Tourism and 15 other categories.

2 Slick is leading in Lifestyle, Business & Consumer Services, Food & Drink, Heavy Industry & Engineering and one other category.

Geography

1 jQuery UI is leading in most countries, including United States, Russia, South Korea, France and 80 other countries.

2 Slick is leading in Japan, Germany, United Kingdom, India and 74 other countries.