fullscreeneo is an extremely lightweight jQuery plugin that makes iframe element fullscreen and fully responsive for iFrame embedded YouTube and Vimeo videos.
Minimalist jQuery Based Responsive iFrame Solution - Responsinatr
Responsive & Adpative iFrame Plugin For jQuery - iframeResizer.js
Responsive iFrame Video Embed Plugin With jQuery - Video Embedder
jQuery Plugin For Responsive Flexible Iframes - Flexy
jQuery Plugin For Cross-domain Responsive iframes - iframe-responsify
jQuery Plugin For Fullscreen Youtube / Vimeo Videos - fullscreeneo
jQuery Plugin For Auto-scaling iFrames And Images - js-flex-embed
jQuery Plugin To Scale An Element According Window Size - fitToParent
Dead Simple jQuery Responsive Iframe Plugin
Preserving Aspect Ratio For iFrames - jQuery keep-ratio
Make Iframe Responsive While Preserving Aspect Ratio
Make Youtube Video Player Fluid/Responsive - jQuery Fluidify