Upstage is my library for building web presentations. Created way back in 2010, before deck.js even existed, it’s the only presentation software I know of built on YUI. Last year I used it with getUserMedia to show multiple live demos of various tablets and phones on the big screen.
Since YUIConf and HackSI are right around the corner, and I’m speaking at both events, it’s about time Upstage got some love for 2013. I’ve switched Upstage from an Ant-based built system to Shifter, updated it to the latest YUI 3.13.0, and rewrote most of the README. It’s open-source under the BSD license. Happy presenting!