The Internet Encyclopedia of Philosophy publishes philosophy articles written by professional philosophers.

iep.utm.edu
IEP homepage screenshot

About IEP

The Internet Encyclopedia of Philosophy is an online encyclopedia of philosophy articles. The articles are written by professional philosophers. The homepage features an article on Jean-Paul Sartre and existentialism and lets visitors browse articles by topic. James Fieser, Ph.D., is listed as founder and general editor, and Bradley Dowden, Ph.D., as general editor.

The homepage does not state the scope of coverage, how often articles are updated, or whether access is free. Pricing is unknown.

Key features

  • Encyclopedia articles on philosophy written by professional philosophers
  • Browse by topic navigation for finding philosophy articles
  • Featured article on Jean-Paul Sartre and existentialism
  • Founder and general editors credited on the homepage
Best for: Students and general readers who want philosophy reference articles written by professional philosophers.
Good for
  • Articles are written by professional philosophers
  • Organized by topic for browsing

IEP at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

IEP alternatives

Tools and sites you could use instead, ranked by how closely they match.

All 24 alternatives

Popular in History & Humanities

Well-known listings from the same topic.

All 149

IEP FAQ

Who writes the articles?
The articles are written by professional philosophers.
Is something wrong or out of date?

Tell us and an editor will check it.

Own this website?

Claim the listing and suggest updates yourself. An editor checks every claim first.

Claim this listing