Scott Rehm’s Angry GM (theangrygm.com)

Gnome Stew (gnomestew.com) with all manner of awesome authors

Matt Mercer’s GM Tips (geekandsundry.com/tag/matt-mercer-gm-tips/)

Mike Shea’s Sly Flourish (slyflourish.com)

Paul Weber’s blog (dm-paul-weber.tumblr.com)

David Hartlage’s blog (dmdavid.com)

Rogue Princess Squadron (rogueprincesssquadron.com) some great authors here as well

Matthew Colville’s YouTube channel

Seth Skorkowsky’s YouTube channel

Taking20.net with GM Cody (check his YouTube channel as well)

Derek Myers’ DungeonsMaster.com

How to be a Great Game Master (by Guy) YouTube channel

And one more… you should absolutely follow the Reddit DnD thread: (reddit.com/r/DnD/)

If you want to be a better GM, following these folks will likely help you. Likewise, we hope we’re achieving our goal of helping you to craft and run a wonderful game experience for your players. Please let us know how we’re doing with an email to: Feedback@GooeyCube.com.