Allomani - Allomani is an E-Store with the shopping cart for online shopping websites, hosting & designing, Paid services, etc.
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Selz - Seriously Simple Selling
Clever - syncing between education applications for K-12 schools