Patreon - Patreon enables fans to give ongoing support to their favorite creators.
Clever - syncing between education applications for K-12 schools
Spotify Artists - Spotify's site for artists
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Podfan - A membership platform for podcasts
Claroline - Claroline is a collaborative eLearning and eWorking platform.