GeometryCoach.com blog. This site was created by a Licensed 7-12 Math Teacher in 2015, and has now grown into a community of thousands of Geometry Teachers sharing lesson plans, resources, and ideas.
Geometry Labs United. Geometry Labs United works to promote research and public interest in geometry. At our member labs, undergraduate students work together with graduate students and professors on cutting-edge research topics.
Go Geometry blog. Online Geometry theorems, problems, solutions, and related topics for all levels.
