Google Classroom - Learning management tool by Google
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Canvas by Instructure - The Canvas LMS is the world's fastest growing learning management system. Check out favorite features and schedule a live demo!
Email Verifier - Email verifier app lets you verify email.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
Verimail - Clean up email-address lists of any size or use our powerful API for real-time verification.