Here are some links.

• Resources for teaching Philosophy Compiled by Dr. Korcz (pronounced "core'-tse") at the University Louisiana at Lafayette.
• The Newton Project Digitized collection of all of Newton's Written Work and Correspondences.
• The Marxists Internet Archive Open access to a vast literature on a variety of subjects.
• John O'Connor's Homepage Go here for links to some of his courses and access to the MacTutor History of Mathematics website.
• Alan Kennington's Website Go here to read his reviews on a number of different mathematics texts. See especially his comparison of the content covered by different texts on logic and set theory.
• Nietzsche List The Complete Works of Nietzsche.
• In Our Time BBC Radio 4 Talk Show hosted by Melvyn Bragg.
• The Philosophical Lexicon A dictionary of (un)common philosophical terms.
• Cool visual of the history of philosophy Cool visual of the history of Western philosophy - obviously with gaps.
• History of Philosophy Without Any Gaps Can supplement the previous link.
• Philosoraptor
• List of Paradoxes A good place to begin philosophical reflection is by learning about which paradoxes there are and trying to solve them.
• Ask Philosophers Go ahead. Fire away!
• Philosophy Talk A radio talk show hosted by some folks over at Stanford University.
• The Philosophers' Cocoon