This is perhaps the most famous repository for Dummit and Foote solutions. It is a collaborative, open-source effort that has compiled solutions for a vast majority of the problems in the early chapters (Groups and Rings) and many of the later ones (Field Theory and Galois Theory). 2. GitHub Repositories
Visual Group Theory by Nathan Carter offers incredible geometric intuition for the concepts introduced in Chapters 1 through 4. solutions to abstract algebra dummit and foote