Patreon - Patreon enables fans to give ongoing support to their favorite creators.
NWEA Assessments - NWEA Assessments creates a personalized assessment experience by adapting to each student's learning level.
Drip by Kickstarter - A new way to back creators. A Patreon competitor.
ALEKS - ALEKS is a web-based artificially intelligent assessment and learning system that uses adaptive questioning to accurately determine exactly student knows.
Open Collective - Recurring funding for groups.
iSpring QuizMaker - iSpring Quiz Maker is easy-to-use quiz software. Create interactive quizzes and surveys in HTML5 & Flash and embed them in a website or publish for any LMS!