The Edge: The World Question Center (http://www.edge.org/q2006/q06_index.html)
Humanist texts (http://www.humanistictexts.org/)
Schopenhauer e-texts (http://www.epistemelinks.com/Main/TextName.aspx?PhilCode=Scho)
The theory of moral sentiments (http://etext.lib.virginia.edu/toc/modeng/public/SmiMora.html)
EpistemeLinks (http://www.epistemelinks.com/Main/MainText.aspx)
Philosophy Texts Online (http://people.brandeis.edu/~teuber/textsonline.html)
Think (http://www.royalinstitutephilosophy.org/think/index.html)
American Rhetoric: Online speech bank (http://www.americanrhetoric.com/speechbanka-f.htm)
Discourse on method (http://www.literaturepage.com/read/descartes-discourse-on-method.html) - Rene Descarte
Human Knowledge: Foundations and Limits (http://humanknowledge.net/)
OpenCourseWare on Critical thinking (http://philosophy.hku.hk/think/)
Philosophical Perspectives on the Individual (http://consc.net/class/indv101.html) - some good links here