Hello, everyone. I'm Stephano and I've made a really cool series called Proof of Concepts in Vanilla Minecraft. The series is a collection of Redstone Showcases that I put together of popular Bukkit Plugins, which are recreated using redstone. Also, I have some other types of Redstone / Command-block things there, too. To goto the series:
https://www.youtube.com/playlist?list=PLJf3_yL8GiA9gsohLjHafQ5JAgmyR87d5