Firstlegoleague.org : FIRST Lego league is joint event conducted by FIRST and LEGO group.
Firstinspires.org : information and resources for all FIRST events. Inspire blog, FIRST newsletter.
2016 Competition: Animal Allies, Team registration, Coaches hand book, Challenge, official blog, Twitter, official youtube channel - FLLGlobal
US National championship: Firstchampionship.org
International: UK / Ireland
Regional Championships: South East Pennsylvania - Penn FIRST Lego League, Western Pennsylvania FLL pafll.com website, Pittsburg First website pitsburgfirst.org, Georgia FIRST Lego League, Iowa state FLL webpage, Virginia and Washington DC FLL, Minnesota:High tech kids, Massachusetts FIRST Lego League, Oregon robotics tournament, Washington state, Illinois, Los Angels region, Florida, Northern California, Ohio, Maryland
Resource Library at Firstinspires.org
Coach resources at GRASP/UPenn.edu
Team resources page at PAfll.com
FLL resources at Roboplex.org
Oregon robotics tournament and outreach program ORTOP workshop materials and additional resource links
LA region fll team resources page
Ohio FLL coach resources page
Legoengineering.com : Lego Engineering website by Tufts Center for Engineering Education and Outreach (CEEO).
Stemcentric.com EV3, NXT tutorials and more by Dale Yocum
Carnegie Mellon’s Robotics Academy Introduction to programming Lego Mindstroms EV3.
EV3lessions.com by Sanjay and Arvind Seshan
Techbrick Robotics - Animal Allies 2016 resource page
Thenextstep.com - EV3 Lego mindstroms blog