alison.com
Alison is a free online learning platform that provides free online courses with certificates and diplomas. It has over 6,000 courses across categories including information technology, health, language, business, management, and personal development. The platform has more than 50 million learners and over 15 million graduates from 193 countries. It offers a mobile app for offline learning, business training for organizations, and free tools including English courses, psychometric tests, career guidance, and a resume builder.