The Retrocomputing Museum 
Dedicated to programs that induce sensations that hover somewhere between nostalgia and nausea.The freaks, jokes, and fossils of computing history.
http://www.catb.org/~esr/retro/An Introduction to Programming Languages
Neutral conceptual analysis; useful for those who know one language and want to learn about others.
http://www.acooke.org/andrew/writing/lang.html
Webopedia
Programming languages related terms.
http://webopedia.com/Programming/Programming_Languages/
Lambda the Ultimate
Programming Languages Weblog with news and discussion.
http://lambda-the-ultimate.org/
CodeComments Programming Languages Discussions
Web access to Usenet newsgroups of various programming languages.
http://www.codecomments.com/Programming_Languages/
Programming Language
Growing article, with links to many related topics. [Wikipedia]
http://en.wikipedia.org/wiki/Programming_language
PLNews: Programming Language News
News, articles, announcements and information focusing on programming languages and their implementations.
http://plnews.org/
