Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Computer Science
Management & Leadership
Language Learning
Machine Learning Foundations: A Case Study Approach
Successful Negotiation: Essential Strategies and Skills
Cyber Security
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore a wide range of free and certified Industry 4.0 online courses. Find the best Industry 4.0 training programs and enhance your skills today!
Explore industry perspectives on software signing challenges through interviews with 18 security practitioners, revealing technical and organizational barriers to supply chain security.
Discover how FarmGPU built an AI cloud service using OCP network hardware and software in under 90 days, with performance benchmarks comparing to proprietary infrastructure solutions.
Discover how Google, Meta, and Microsoft collaborate on standardizing +/-400Vdc power racks for data centers, leveraging EV infrastructure for scalable HVDC solutions.
Explore how cloud industry leaders from Google, Meta, and Microsoft collaborate on standardizing carbon assessment methods to drive sustainability and net-zero goals.
Discover Google's Project Deschutes, their fifth-generation cooling distribution unit contribution to OCP, featuring design insights for high-performance liquid cooling in AI infrastructure.
Discover Spring Boot 4.0's new features including nullness metadata, fine-grained dependencies, Jackson 3.0 integration, and asynchronous RestClient usage in this upgrade guide.
Discover how Alibaba's new AI chip represents China's strategic push to build an independent tech industry separate from American influence and technology dependence.
Explore CMake 4.0's evolution and modern practices for C++ project management, covering a decade of development from version 3.0 to the latest release.
Discover insights from Amazon Principal Scientist Nina Mishra on health AI, search algorithms, and privacy in applied data science research and industry applications.
Explore AI-driven uplift modeling and stream forecasting techniques that music labels use to optimize promotional spending and predict listener engagement for better profitability.
Discover how to build secure generative AI Slack bots for regulated industries using RAG technology, data protection controls, and privacy standards through live demos and healthcare insights.
Discover how Maya revolutionized 3D graphics and became the industry standard, transforming digital content creation and establishing dominance in animation and VFX workflows.
Discover how the First Movers Coalition creates market demand for low-emissions technologies in hard-to-abate sectors, featuring real examples from Microsoft and cement innovation.
Explore Seedream 4.0's advanced AI image generation and editing capabilities through detailed comparisons with Nano Banana, testing realistic photos, complex prompts, and creative edits.
Discover the real-world experience of mining geology through an in-depth interview covering daily work, underground adventures, environmental considerations, career paths, and education requirements.
Get personalized course recommendations, track subjects and courses with reminders, and more.