If anyone is interested, I just added all the examples from the official Lua demo to trylua.org. Clicking on the various examples populate the interactive console.
Bookmrk is a simple web application that allows you to easily save and orginize your bookmarks via tags. You may choose to make your bookmarks public, which allows other to enjoy what you have already found.
It is an experiment to play with redis. I'm using the phpredis extension as well. It's pretty basic but was a fun little weekend project.