W3Schools jQuery is optimized for learning, testing, and
training jQuery.
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jQuery learning Center.
To learn about web and applications with jQuery
Learn jQuery
jQuery UI is a curated set of user interface interactions, effects, widgets, and themes
jQuery UI
jQuery Mobile Para construir sitios responsive y apps para todos los dispositivos.
jQuery Mobile
Zepto is a minimalist JavaScript library jQuery compatible.
Zepto.js
Interact JavaScript drag and drop, resizing and multi-touch gestures with inertia and snapping.
interact.js