Replace jQuery or MooTools with a <4kB Library
⚡️ A component based library that encourages single-page applications.
Tapestry 5 jQuery integration. Fully replace Prototype and Scriptaculous with jQuery with as less as possible compatibility issues
MagJS - Modular Application Glue
HTML render engine and data binding (MVVM)
A modern, lightweight browser library using ES5 natives
E+lements is a minimal DOM Library for the prime framework.
An absurdly fast CSS selector engine.