In 2025, Harvard CS50 offers 10 free certificate courses on topics such as computer science, Python, and AI.

Learn Cyber Threat Intelligence (CTI), threat hunting, and MITRE ATT&CK framework to strengthen your defenses. Real-world APT case studies and understanding attacker TTPs used in modern cyber threats.

Not just courses — podcasts & webinars too, with free certificates & continuing medical education credit.

Here is a guide to get started with coding and become a developer with the best programming courses.

2U, the online education giant that acquired edX last year, just saw its stock price drop by half.

Although I spend a lot of time at the computer and have taken more than 200 online courses since 2012, I’m still learning how to make the most of generative AI tools. I’m not a complete beginner in the world of AI, but definitely need to become more fluent in its use. In this respect, I found Google Prompting Essentials, created by Google Career Certificates, very helpful. This course, released in October 2024, provided plenty of ideas for creating and refining prompts in a variety of situatio