RVM

RVM 1.11.3.9

RVM can handle both multiple interpreters and multiple sets of gems.RVM makes installing multiple Ruby interpreters and runtimes easy and consistent.It provides features such as gemsets that aren't typically supported out of the box on most Ruby...

Zest

Zest 0.1.3

Zest currently includes support for Ender.js, Prototype, and jQuery.Zest even supports CSS 3 and CSS 4 selectors. Zest is a third of Sizzle's size, the CSS selector engine used by jQuery.Zest doesn't support any non-standard selectors, but it is possible...