YouTube Kids - YouTube for the youngins on iOS and Android
Mobilize - Mobilize is a scalable messaging app built for large groups.
Hopster TV - Netflix for kids
NationBuilder - The world's first platform for leaders, handcrafted from scratch to help you grow your community and lead them to action.
PBS KIDS Video - Home & Family and Education & Reference
FUEL CYCLE by Passenger - Think Passenger builds online platforms that allow brands to connect, create and communicate with key stakeholders.