Internet Encyclopedia of Philosophy Browse topics alphabetically, by timeline, or search by keyword. Provides information on submitting articles.
Stanford Encyclopedia of Philosophy Reference site edited by Edward Zalta features in-depth articles on a wide range of philosophical topics.
TPM Online The philosophers' magazine on the Internet. Includes articles on philosophical topics, interactive media, a quotations archive, science, ethics, and religious philosophy portals, and streaming audio presentations.
Deep Spirits A constantly expanding collection of the universal wisdom of our world, contained in philosophy, mysticism, religious and new age texts, arts, ancient stories and fairy tales.
Logical Fallacies List of Logical Fallacies with their detailed definitions, descriptions meaning and examples.
Meanings of Life Philosophical thoughts about life, death, happiness and correlated issues; comments on them. In English and Portuguese.
Philosophy Pages Features works on Western philosophy topics including history, intellectual figures timeline, major philosophers, and principles of logic. Includes dictionary and study guide. Entire site contents available in zip format.
Philosophy Research Base Online philosophy database from Erratic Impact categorized by history, subject and author.