- Classical Logic - Introduction to classical logic, including completeness and Löwenheim-Skolem theorems; by Stewart Shapiro.
- Computability Logic Homepage - Main online source on computability logic - a recently emerged formal theory of computational tasks and resources. Maintained by G.Japaridze.
- Introduction to Mathematical Logic - Hyper-textbook for students by V. Detlovs and K. Podnieks.
- Mathematical Logic and Foundations - From The Mathematical Atlas, a resource of mathematics maintained by David Rusin. Extensive resources related to logic and set theory.
- Mathematical Logic around the World - A rich collection of links to logic-related websites.
- Mind Versus Goedel by Damjan Bojadziev - Compares the mind to advanced computers and artificial intelligence, as Goedel would possibly view them.
- Directories (11)
- Education (18)
- Institutions (62)
- Meetings (148)
- Online Discussion Groups (3)
- Organizations (14)
- People (125)
- Publications (26)
- Software (29)