An online book about mutual aid, horizontal organization, and local democracy.
Giancarlo wrote this. Read it, it's of interest.
Redhat's online book of defensive programming technques. Covers languages, specific programming tasks and software features, and implementing security features in a secure manner.
The companion book to the _Doctor Strange_ comics, by Cat and Nagasiva Yronwode.
Brickbatting, common sense, and futurism. Worth a read by everyone, I think.
A concise overview of electronic theory for geeks.
Read this later, it'll come in handy.