Google Classroom - Learning management tool by Google
Fedora - Fedora creates an innovative, free, and open source platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users.
QuickSesh! - A free website to join/create random study sessions
CourseCraft - Create an e-course and turn your blog into a business
Ellucian - Ellucian provides higher education software, services, and analytics for educational institutions.
Goodbits - Build great email newsletters in minutes