Spring Branch ISD is now working with MangaHigh. They are uploading student rosters for teachers so that SBISD teachers can assign challenges to their students. It's a great motivational tool to which our teachers and students have access.
Glean Comparison Search (formerly "All Sides" at Boolify) helps you and your students explore differing points of view about a topic. Through its fluid scaffolding structure for the comparative research process, it helps researchers develop a keener, more refined ability to explore their own conceptions vis a vis differing views.