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
Data Analysis
Graphic Design
Serverless Computing
Exploring Play: The Importance of Play in Everyday Life
Learning How to Learn: Powerful mental tools to help you master tough subjects
Know Thyself - The Value and Limits of Self-Knowledge: The Examined Life
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Master HashiCorp Vault security with monitoring techniques, high availability configurations, and HSM integration. Learn to analyze telemetry and logs, implement fault-tolerant clusters, and secure Vault in Kubernetes environments.
Master the essentials of NLP with text preprocessing techniques, vector models, and neural word embeddings. Learn to transform raw text into usable formats for machine learning through hands-on Python implementations.
Master deep learning models for NLP with Python, implementing neural networks, CNNs, and RNNs for text classification, embeddings, and sequential data processing using TensorFlow.
Master probability-based NLP techniques in Python, from spam detection and sentiment analysis to text summarization and topic modeling, with hands-on implementation of algorithms like Naive Bayes, LDA, and TextRank.
Master Hugging Face Transformers for NLP tasks including sentiment analysis, text generation, and named entity recognition through hands-on Python implementations and real-world applications.
Master networking fundamentals, from infrastructure and hardware to protocols and troubleshooting tools. Build practical skills for setting up LANs, understanding IPv4/IPv6, and resolving common network issues.
Master essential Python data science libraries: NumPy for numerical computing, Matplotlib for visualization, and Pandas for data manipulation, plus introductions to SciPy and machine learning fundamentals.
Master object-oriented programming in Java, from basic concepts to advanced topics like collections, data structures, and algorithms through hands-on exercises that prepare you for real-world applications.
Master cybersecurity fundamentals, threat landscapes, and Palo Alto Networks security solutions. Explore networking principles, security models, cloud protection, and advanced threat response techniques for modern security challenges.
Master PowerShell automation for efficient system administration, from basic commands to advanced scripting techniques for real-world IT tasks and workflow optimization.
Dive into C++ programming with hands-on guidance through variables, functions, loops, and object-oriented concepts, building practical skills for real-world software development.
Master advanced CSS animations, transitions, and JavaScript integration for dynamic web projects. Create responsive websites with 3D transforms, BEM methodology, and interactive elements through hands-on Tutor and Leno website projects.
Dive into advanced HashiCorp Vault techniques for scaling, access control, and certification preparation, with hands-on demos covering performance replication, Sentinel policies, and Vault Agent configuration.
Gain insights into security governance, compliance, and risk management with practical strategies for building effective security programs, assessing risks, conducting audits, and implementing governance structures.
Master Shiny for Python to build interactive web applications, from basic UI elements to advanced data visualization. Create real-time apps showcasing programming languages and climate data, then deploy them across multiple platforms.
Get personalized course recommendations, track subjects and courses with reminders, and more.