- markrajpal
Insightful Agile Blog Sites

In no particular order:
Mountain Goat Software (Mike Cohn)
https://www.mountaingoatsoftware.com/blog
Martin Fowler (it's not really a blog site per se but there's lots of great articles)
Agile Matters (Scrum Alliance)
https://www.scrumalliance.org/agilematters/home
Scrum.org
https://www.scrum.org/resources/blog
Adventures with Agile
https://www.adventureswithagile.com/blog/
Agile Alliance
https://www.agilealliance.org/community/blog
Superheroes Academy
https://www.superheroes.academy/blog
Agile For All
https://agileforall.com/agile-blog/