Romanian Academy
•Mathematical Institute
••Differential geometry and algebraic topology group
••Topology seminar
••Seminar on homological stability and its applications to number theory
••Bucharest topology days

University of Leeds
•Pure Mathematics
••Algebra, geometry and integrable systems
••Algebra seminar
••Geometry seminar

Bonn
•Mathematical Institute
••Topology group – (members) – (activities) – (seminar)
•HCM
•MPIM
•HIM

Paris 13
•Laboratoire Analyse, Géométrie et Applications (LAGA)
••Algebraic Topology group (members list)
••Algebraic Topology seminar

Münster
•Mathematisches Institut
••Topology group
•••Research seminars

Oxford
•Mathematical Institute
••Topology group (members list)
••Cake seminar [link to a copy of the webpage of the cake seminar from 2011/2012]

NRW Topology Meetings (list of past meetings)
TTT ("Transalpine Topology Tetrahedron" — previously "Transpennine Topology Triangle")
Niles Johnson’s AlgTop-Conf list.