| (Australia) Macquarie University: Computational category theory project group. People, projects, publications. |
| (Australia) University of Sydney - Catacomb: Categories and Combinatorics Group. |
| (Canada) Atlantic Category Theory Seminar - ATCAT: Dalhousie University, Halifax. Weekly meetings. |
| (Canada) Category Theory Research Center Montréal: Timetable. |
| (Canada) McGill University: Category Theory Research Centre. Announcements of weekly seminars, conferences, and other research activities in category theory. |
| (Canada) Mt Allison University: Computational Category Theory. Software, people. |
| (Canada) University of Calgary: Calgary Peripatetic Research Group in Logic and Category Theory - alternates between departments of mathematics, philocophy, and computer science; meets weekly. |
| (EU) Linear Logic in Computer Science: European TMR research network. |
| (Germany) University of Bremen: Katmat. Research Group on Categorical Methods in Algebra and Topology. German/English site. |
| (Portugal) University of Coimbra: Categories at Coimbra. Members, meetings, reports, resources. |
| (South Africa) Cape Town Research Group: Universities of Cape Town, Stellenbosch and the Western Cape. Members, activities, outputs, links. |
| (UK) University of Leicester: Computational Category Theory Project group. People, activities, software. |
| (UK) University of Wales, Bangor: Computational Category Theory (part of The Computational Category Theory Project). People, activities, software. |
| Australian Category Seminar: Alternates between Sydney University and Macquarie University. |
Classical
