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
Artificial Intelligence
Digital Skills
Introduction to HTML5
Rome: A Virtual Tour of the Ancient City
The Modern World, Part One: Global History from 1760 to 1910
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Master essential business concepts, from organizational structures to marketing, finance, and human resources, while exploring how cultural and global factors shape modern business practices.
Master essential business management functions, decision-making techniques, and modern organizational practices while exploring the evolution of corporate leadership from the 1800s to today.
Master essential HR principles, from organizational management and finance to federal regulations and collective bargaining practices, preparing you for effective personnel administration and leadership.
Master essential business writing and presentation skills to create professional documents, emails, and reports while applying ethical communication principles for various workplace scenarios.
Master essential Excel skills from spreadsheet design to charts, formulas, and functions while preparing for Microsoft Office certification through hands-on problem-solving exercises.
Explore the rich tapestry of Chicana/o identity through historical experiences, cultural factors, and ethnic paradigms, examining gender, sexuality, borders, and indigenous heritage in Mexican-American development.
Explore the rich journey of Mexican and Chicano peoples in the US, from pre-Columbian times through colonization, westward expansion, and modern US-Mexico relations.
Explore computer technology fundamentals, from hardware and software to networking, databases, and cybersecurity, while examining their impact on business and society.
Master fundamental IT concepts, operating systems, networking, cybersecurity, and technical support skills while developing essential customer service abilities for entry-level positions.
Master fundamental computer networking concepts, from LAN topologies and protocols to wireless networking and security, with hands-on labs preparing you for Cisco CCNA certification.
Master advanced networking concepts including routing protocols, NAT/PAT, VLANs, ACLs, DHCP, and network security for both IPv4 and IPv6 environments through hands-on practice and real-world scenarios.
Master essential IT skills through hands-on training in hardware, software, networking, security, and multiple operating systems while preparing for the CompTIA A+ certification exam.
Master Linux system administration through hands-on training, covering installation, user management, networking, security, and command-line interface while preparing for Red Hat certification.
Master essential networking concepts and hands-on skills for designing, managing, and securing both wired and wireless networks while preparing for the CompTIA Network+ certification exam.
Master essential IT security concepts, from network protection to cloud security, while preparing for the CompTIA Security+ certification with hands-on labs and comprehensive cybersecurity training.
Get personalized course recommendations, track subjects and courses with reminders, and more.