#1: Material design for Bootstrap
Midnight.js is a jQuery plugin that switches between multiple header designs on the fly. Created by Argentina-based Aerolab, the plug-in switches as you scroll to always provide a header that fits into the design with the content below.
#3: Awesome SVG
We get it: GitHub loves Awesome lists. You know the drill by now. Awesome SVG, compiled by Willian Justen, is a curated list of resources, elements and documentation for SVG. The list includes icons, text, gradients and filters, as well as animation, books, software and libraries.
Who are the Yahoo developers behind Gifshot? I’ll let them introduce themselves.