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
Psychology
Web Development
Mountains 101
Viral Marketing and How to Craft Contagious Content
Medical Neuroscience
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore advanced fine-tuning techniques for LLMs, including instruction-tuning, reward modeling, and direct preference optimization. Gain hands-on experience with cutting-edge tools to enhance AI performance and alignment.
Dive into building AI agents that go beyond language generation to interact with tools, run code, and solve real problems using LangChain, function calling, and tool orchestration techniques.
Gain insights into strategic GenAI integration from IBM leaders, covering ROI, data leverage, use cases, model selection, and governance across marketing, HR, IT, and finance functions.
Comprehensive guide for cybersecurity job seekers, covering resume writing, interview preparation, and career strategies. Includes expert insights, practical exercises, and industry-specific advice for landing entry-level positions.
Exploratory data analysis, visualization, and hypothesis testing for a streaming media company. Learn estimation techniques, probability distributions, and null hypothesis significance tests through hands-on case studies.
Develop essential program management skills, explore lifecycle phases, and learn about PMOs, stakeholder management, and certifications. Prepare for a rewarding career with hands-on practice and job market insights.
Learn COBOL testing and debugging techniques, including error identification, file status codes, compile options, unit testing, TDD methodology, and using IBM z/OS Debugger for efficient code troubleshooting.
Gain hands-on experience managing a project from start to finish, creating artifacts for both predictive and adaptive methodologies to showcase your skills to potential employers.
Prepare for a project management career with job search strategies, resume writing, interview techniques, and expert insights. Gain practical skills to stand out in the competitive job market.
Unlock Apache Spark's potential for machine learning, covering fundamentals, supervised and unsupervised techniques, and Generative AI. Gain hands-on experience with Spark streaming, ML pipelines, and model evaluation.
Explore transformers, fine-tuning, and PEFT techniques for LLMs. Gain hands-on experience with Hugging Face and PyTorch to develop job-ready generative AI engineering skills.
Apply data science skills in a real-world project: collect and analyze data, conduct hypothesis testing, create visualizations, and build models. Present findings through an interactive dashboard and executive summary.
Comprehensive introduction to monitoring and observability for developers and DevOps professionals, covering key concepts, tools, and hands-on practice with Prometheus, Grafana, Mezmo, and Instana.
Aprenda a criar sites responsivos e front-ends flexÃveis usando Bootstrap, explorando seus recursos, componentes e integração com React para desenvolvimento web eficiente.
Master building intelligent AI agents that reason, reflect, and collaborate using LangGraph and LangChain through hands-on projects and multi-agent system development.
Get personalized course recommendations, track subjects and courses with reminders, and more.