Google Cloud Training & Certification: click here
Oracle Cloud Training: Free Online Learning and Certifications for Oracle Cloud Infrastructure and Oracle Autonomous Database: click here for more details
IBM Free training courses: click here for more details
Havard University Free courses: Harvard university is offering 67 courses for free during this pandemic. Click here for more details.
Coursera: click here, for a catalog of free courses from Coursera
Udemy Free Courses: click here for a catalog of free courses from Udemy