Edcite
Edcite is a free online platform providing teachers with the tools they need to create interactive content aligned to the Common Core.Edcite provides free tools and content for rich interactive learning exercises. Edcite allows teachers to create their own content, or mix and match existing content, so they can tailor learning exercises to fit their needs, and use them in the form of online assignments with their students. Teachers can use and share exercises with a growing library of exercise content.