For those of you who may have missed an EDge21 featured post or who didn't have the opportunity to look at some of them during this past week, here's a second chance.
The National Constitution Center is the first and only nonprofit, nonpartisan institution devoted to the US Constitution. The Center strives to illuminate constitutional ideals and inspire active citizenship through a state-of-the-art museum located on Independence Mall in Philadelphia.
Classmint is an interactive study notes tool that lets anyone create annotatable, audible, notes that can be folded like a paper.
LearnBIG is a tool to facilitate searching for online educational resources. Access tens of thousands of online courses, educational games, videos, and more.
NuIDEAS is a catalog of descriptions of and links to hundreds of online classroom resources.