Basics & Footage
WFTDA.tv - Watch footage from WFTDA Champs & sanctioned tournaments. (Listen to the commentary, especially if you're new; you'll learn quick!)
WFTDA Rules - Review the rules. Are you up to date on the latest rule changes?
WFTDA Insurance - Purchase WFTDA insurance. [Not Required at the moment]
RD Junkies - Derby footage, explained & broken into digestible gifs.
Ultimate Roller Derby Ubiquitous Magnet Board - Throw away your dry-erase markers and get on this.
Iron Octopus Fitness - Workout programs, technique videos, tips, and more. (Check out the Stability & Mobility program if you're a new skater!)
Roller Derby Athletics - Derby-specific workouts and training tips
Officiating Resources - Get certified, find clinics, and more.
Skewblogs - Clear and in-depth rules discussions from Orla Skew.
Ref-Ed - Resources and discussion about roller derby reffing from Wernher Von Bombed.
Rules Colored Glasses - Explanations, discussions, and resources from Adam Smasher.
Roller Derby Rules Clarification and Tough Questions - Facebook group with discussion of various scenarios. (High-level refs and skaters frequently weigh in!)