Philosophy Forums A great site for philosophical discussion about all philosophical subjects. Free of charge.
Stanford Encyclopedia of Philosophy An actively developing encyclopedia of various philosophers, philosophical issues and terms.
Mathworld Everything you have always wanted to know about mathematics.
Javaview A neat site that lets you play with different geometrical figures. It allows you change the parameters of the functions and rotate them freely.
Yourdictionary.com A whole bunch of dictionaries of various languages.
Electronic Resources for Classicists Links to quite a few sites offering electronic texts of classical period.
Project Gutenberg A huge and developing archive of books. With the help of numerous volunteers, this site offers an astounding number of important classics spanning from classical period to the beginning of 20th century.
Perseus This site contains original Greek and Latin texts with translations. A must for anyone interested in reading classical texts!
The Univesity of Adelaide Library Another site offering a huge archive of e-books, spanning the whole of western history.
Athena Many Swiss and French texts, but other languages also.
Epistemelinks A huge amount of philosophical texts about various philosophers and topics. Both the texts of the philosophers themselves and commentaries.
Ari Heljakka's Metaphysical Construction Yard
Janne Aukian Kuutio-verkkoloki
My little brother's game-oriented homepage
Random generators:
Tractatus Logic-Randomus
Kant-generator
Postmodern-generator
Wikipedia An open encyclopedia. Has something about everything.