- GGT book by Cornelia Druţu and Michael Kapovich.
- GGT book by Clara Löh.
- Notes about CAT(0) cube complexes I wrote for a mini-course. Written quickly and not checked carefully, caveat lector even more than usual.
- Book on median algebras by Brian Bowditch.
- Notes on hierarchical hyperbolicity by Alex Sisto.
- Notes on the curve complex, by Saul Schleimer.
- Cube complexes notes by Petra Schwer.
- Talks from GGT without boundaries.
- The Accidental Mathematician
- The Liberated Mathematician
- Alex Sisto's blog
- Rylee Lyman's blog
- Nick Touikan's blog
- Cathy O'Neil's blog
Articles about teaching/university stuff:
- Against Cop Shit by Jeffrey Moro.
- No cops in the lecture hall by Rashid Amerzaine and Root Beer.
- The Extremely Shady "Educational Integrity" Industry by Cory Doctorow.
- Pedagogy of the oppressors by Aram Bingham.
- Why do UK universities have such large gender pay gaps? by Fran Amery et al.
- How to restore work-life balance in academia by Ingrid Robeyns.
- Royal Holloway Early Career Academics on UCU democracy.