Discover free courses across various subjects. Learn new skills and knowledge without any cost.

University of Illinois Urbana-Champaign
Skills you'll gain: Environmental Monitoring, Hydrology, Environmental Engineering and Restoration, Water Resource Management, Land Management, Natural Resource Management, Water Resources, Environmental Resource Management, Environment and Resource Management, Water Quality, Climate Change Adaptation, Environmental Science, Adaptability, Biology, Research Reports, Environment, Geospatial Information and Technology, Technical Documentation, Environmental Regulations, Environmental Laws
★ 4.9 (17) · Intermediate · Specialization · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Probability, Computational Logic, Combinatorics, Bayesian Statistics, Algorithms, Theoretical Computer Science, Mathematical Software, Mathematical Theory & Analysis, Cryptography, Logical Reasoning, Deductive Reasoning, Computational Thinking, Computer Science, Encryption, Data Structures, Arithmetic, General Mathematics, Public Key Cryptography Standards (PKCS), Problem Solving, Cybersecurity
Beginner · Specialization · 3 - 6 Months

The University of Edinburgh
Skills you'll gain: Liberal Arts, Research, Scientific Methods, Social Sciences, Cultural Diversity, Psychology, Sociology
★ 4.6 (529) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Timelines, Ancient History, Scientific Methods, World History, Anthropology, Science and Research, General Science and Research, Environmental Science, Investigation, Social Sciences, Spatial Analysis, Spatial Data Analysis, Research, Culture, Geospatial Information and Technology, Data Collection, Biology
★ 4.3 (6) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Learning Theory, Human Learning, Motivational Interviewing, Education and Training, Pedagogy, Scientific Methods, Course Development, Communication Strategies, Research, Science and Research, Research Methodologies, Communication, Active Listening, Psychology
★ 4.3 (6) · Beginner · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Human Computer Interaction, Virtual Reality, Game Design, Full-Stack Web Development, Mobile Development, Agile Software Development, Animations, Data Ethics, Event-Driven Programming, Git (Version Control System), Web Applications, Incident Response, Data Science, Natural Language Processing, Data Transformation, Combinatorics, Database Design, Model Evaluation, Web Development, Generative AI
Graduate Certificate · 6 - 12 Months
Erasmus University Rotterdam
Skills you'll gain: Data Sharing, Educational Materials, Open Source Technology, General Science and Research, Science and Research, Research, Research Design, Research Methodologies, Peer Review, Data Access, Community Outreach, Ethical Standards And Conduct, Data Store, Interoperability, Metadata Management, Intellectual Property
★ 4.7 (19) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Data Visualization, Plot (Graphics), Statistical Visualization, Ggplot2, Dimensionality Reduction, Data Visualization Software, R Programming, R (Software), Graphing, Data Analysis, Statistical Analysis, Unsupervised Learning, Statistical Methods
★ 4.7 (6.1K) · Mixed · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Mathematics and Mathematical Modeling, Applied Mathematics, Algorithms, Cryptography, Data Management
Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Health Disparities, Food and Beverage, Health Equity, Social Justice, Sustainable Systems, Ethical Standards And Conduct, Nutrition and Diet, Sustainability Standards, International Relations, Environmental Issue, Policy Analysis, Sustainable Development, Cultural Diversity, Cultural Sensitivity, Environment and Resource Management, Community Development
★ 4.6 (98) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, File Management, Data Security, Google Sheets, Databases, Data Access, Data Storage, Data Quality, Data Management, Data Collection, Relational Databases, SQL, Data Import/Export, Metadata Management, Unstructured Data
★ 4.8 (23K) · Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Responsible AI, Generative AI, Amazon Bedrock, Generative Model Architectures, Artificial Intelligence and Machine Learning (AI/ML), AWS SageMaker, Amazon Web Services, AI Security, Artificial Intelligence, Model Optimization, Applied Machine Learning, Prompt Engineering, Machine Learning Methods, Model Training, LLM Application, Machine Learning
★ 4.6 (36) · Beginner · Course · 1 - 3 Months