ACT Academy is a K-12 resource library where teachers can search for, save, and assign multimedia content to individuals or groups of students.
GameMaker Studio 2 is the real deal; its drag-and-drop programming environment allows new game designers to jump right in and create 2D games.
Goalbook Toolkit is an online source for Common Core State Standards-based learning goals and teaching interventions.
TES Teach with Blendspace is an easy-to-use multimedia lesson creation platform that students can access via website, Chrome app, or iPad app.
Digital Civics Toolkit is a free, teacher-facing website with lesson plans for exploring and fostering modern civic engagement and participation.
PowerMyLearning Connect is a website that brings together free, curated educational content and activities from all over the web.