Open source projects are a free and self-reinforcing way to be on top of the latest tech, build a resume and give back. You can do so pretty easily via GitHub.

Open source projects are a free and self-reinforcing way to be on top of the latest tech, build a resume and give back. You can do so pretty easily via GitHub. Sign up to a few mailing lists, not every important project is on GH. Consider a daemon you use really often. Familiarize yourself with the code until you master it.