Annenberg Learner – A large number of free educational resources can be found here. Thereʻs also the option to take courses for credit for a fee. View this link to see a review of Annenberg.
ASCD Professional Development Tools – Already well known for its PD conferences and workshops, ASCD also has a section on their site with free Webinars & Educore content. View this link to see a review of ASCD.
Simple K-12 – Online PD site that offers webinars and workshops (some for free) on a variety of Ed Tech Topics. View this link to see a review of K-12.
Ed Tech Teacher – Know for their iPad trainings, Ed Tech Teacher also has sets of saved webinars that you can view for free, on various topics not necessarily focused on iPads. For example, their “All Things Google” webinar recording shares ways that you can use tons of apps, extensions, and tools from Google in your classroom. Check it out here.