Participation in the open source community and projects can really give a boost to your career.

Google Labs, in cooperation with Google Code University, has released a new microblogging tool called Jarlsberg, and like its namesake cheese, it’s full of holes. Security holes. Google hopes you use Jarlsberg to learn best practices on how to make your own software more secure.

Red Hat has created the basis of a book on open source communities, and it will be completed with the very approach proposed in it.

Contributing to your favorite open source PHP framework is a gift to the project’s community. Moreover, you will surely benefit from not having to patch it by yourself at every new release.