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
Artificial Intelligence
Programming Paradigms
Cloud Security
Uncommon Sense Teaching
FinTech Foundations and Overview
Mathematical and Computational Methods
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore a wide range of free and certified Systems core online courses. Find the best Systems core training programs and enhance your skills today!
Insights on fine-tuning ModSecurity Core Rule Set for large-scale deployments, reducing false positives, and optimizing web application firewall performance.
Explore ASP.NET Core MVC security features, including XSS and CSRF protection. Learn to build robust web applications with modular architecture and cross-platform compatibility.
Learn strategies to monitor and control in-game inflation in MMORPGs, focusing on economic systems, currency issuance, item production, and player population dynamics.
Explore Final Fantasy XV's innovative AI systems: AI Director, Meta AI, and Animation System. Learn how Square Enix optimized reusability and efficiency in game development.
Explore the mathematics behind Elo and TrueSkill ranking systems, and learn how to develop your own for various gaming applications. Gain insights into complexity, new player integration, and anti-cheating measures.
Explore the gut-brain axis and its impact on health, covering topics like neuroimmunity, microbiome, food allergies, and oral tolerance, with insights into gastrointestinal pathologies and potential treatments.
Explore strategies for adjusting user expectations of AI systems, focusing on a Scheduling Assistant case study to improve acceptance of imperfect AI technologies.
Guidelines for safely developing systems that apply electricity to the human body, covering electrical stimulation, safety parameters, hazards, and industrial standards.
Explores an adaptive algorithm for selecting navigation modalities, considering task benefits, switching costs, and habituation. Improves user performance during multitasking scenarios.
Explore the hidden history of core memory weaving, blending engineering and craftwork to challenge gender narratives in technology through design inquiry and participatory workshops.
Explore embedding domain knowledge in machine learning for complex material systems, focusing on hierarchical approaches, response surfaces, and hidden correlations in materials research.
Explore SAP J2EE system vulnerabilities, attack methods, and prevention strategies in this comprehensive cybersecurity presentation focusing on code injection techniques.
Explore anti-forensics techniques for Windows, Linux, and Android, covering memory analysis, encryption, and hardware implants. Learn to protect digital evidence and understand forensic challenges.
Explore healthcare IT security challenges, from doctor complexes to patient data access, and learn about vulnerabilities in medical devices, cloud systems, and wearable technology.
Explore computational imaging systems, focusing on DiffuserCam technology and its applications in 3D neural activity tracking. Learn about challenges and solutions in image reconstruction and processing.
Get personalized course recommendations, track subjects and courses with reminders, and more.