Directories

ASL members
List of web pages of Association for Symbolic Logic members. Maintained by Herbert Enderton.
http://www.math.ucla.edu/~hbe/aslweb.html

Computability Theory
Information on this site includes a Bibliographic Database for Computability Theory, a list of Open Questions in Recursion Theory as well as links to many researchers working in the field. Maintained by Peter Cholak.
http://www.nd.edu/~cholak/computability/computability.html

Description Logics
Maintained by Carsten Lutz.
http://dl.kr.org/

Knowledge Representation
With Automated Reasoning, Computational Logics and Advanced Databases. Projects, people, conferences and specific resources.
http://www.inf.unibz.it/~franconi/kr.html

Logic and Set Theory
Category of Topics in Mathematics (MathArchives).
http://archives.math.utk.edu/topics/logic.html

Logic and Set Theory
Groups and conferences.
http://www.math.ufl.edu/~jal/orgs.html

Logic Links
Gustavus Philosophy Department.
http://gustavus.edu/academics/philosophy/llogic.html

Logic Page
Maintained by Christian Gottschall, Vienna philosophy department.
http://logik.phl.univie.ac.at/~chris/logic.html

Mathematical Logic and Foundations
Section of Math Guide.
http://www.mathguide.de/cgi-bin/ssgfi/anzeige.pl?db=math&sc=03

Mathematical Logic Around the World
Compilation of links by Boris Piwinger.
http://world.logic.at/

Research groups in Logic and Theoretical Computer Science
Maintained by Anton Setzer, University of Wales Swansea.
http://www.cs.swan.ac.uk/~csetzer/logic-server/