Mathematical Atlas: General Topology
From Dave Rusin's "Known Math" collection.

Fixed Point Theory on the Web
Publications, meetings, mailing list, bibliography.

Mathematics Arxiv Front - GN General Topology
Preprints in general topology.

Oxford Analytic Topology Research Group
Research interests: topology of metric spaces, generalised metric spaces, continua, function spaces, hyperspaces, topological algebra, set theoretic methods in topology, and applications of topology to computer science and the theory of differential equations.

Textbook in Problems on Elementary Topology
The core of the book is the material included usually into the Topology part of the two year geometry course in the Mathematical Department of St. Petersburg University. This lecture course was composed by Vladimir Abramovich Rokhlin in the sixties and has almost not changed since then.

Open Questions in Topology
By Marianne Morillon.

The Stone-Cech Compactification
Notes by Mike Stannett.

Applied General Topology
Abstracts of all volumes.

University of Kansas
Research group in set theoretic topology and Boolean algebra. Members, research interests.

Alfréd Rényi Institute of Mathematics
Set Theoretic and General Topology research group members.

Moscow State University
Department of General Topology and Geometry. Members, research interests, seminars.

Topology Atlas
A multi-purpose center for electronic distribution of information related to topology.

What is Topology?
Brief description of topology.