"If the Internet is not free, fair, and open, then our ability to effectively address climate change, or economic injustice, or racism, or what have you, is severely curtailed, if not made impossible. Although the Internet might not be the most important fight we have, it's going to be the foundational fight."
-- Corey Doctorow
The "Getting Down With..." series is a collection of short, easy to use tutorials by high school students and others who want an introduction to a topic. Also there is an HTML template that you can download to make your OWN "Getting Down With.." project. Enjoy!
The "Welcome to the Zoo!" series is a collection of learn by example explorations into a variety of web technologies. If you are the kind of learner who wants to just see a clear example instead of reading a lot of text, these resources may be for you.
A set of comprehensive tutorials by Kevin Cole. The tutorials include topics relating to linux and VAX and other similar fields.
A collection of projects / case studies in using free software geospatial information science (GIS) projects.