This is a dead-simple extension I made to control Google Play music from any tab. You can get just the play / pause button, or you can install additional extensions to enable the fast-forward and rewind buttons. Check it out here.
This is a fun project that I started in 2013. I equipped little creatures with neural networks in a 2D world and tried to get them to do things like following the player around. Check it out on GitHub here.
This is a Chrome extension that identifies content feeds across the internet and filters them using a single, universal blacklist. The most interesting part is figuring out how to automatically identify feeds on arbitrary websites, since the naive way of doing this mangles many website. Check it out here.