jQuery
jQuery JavaScript Library
Mercury
A truly modular frontend framework
Json2html
json2html is a free javascript HTML templating library with wrappers for both jQuery and Node.js. Using custom defined JSON transforms json2html will convert a set of JSON objects, such as an RSS feed into HTML.
Preact
⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.
Xui
A tiny javascript framework for mobile web apps.