Prepare for the CompTIA A+ certification for entry-level IT roles. Learn about hardware, software, networking, and troubleshooting.

Skills you'll gain: Dataflow, Data Pipelines, Data Processing, Real Time Data, Extract, Transform, Load, File I/O, Data Transformation, Jupyter, SQL
★ 4 (44) · Advanced · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Community Health, Health Informatics, Health Equity, Health Disparities, Health Policy, Community Development, Statistical Analysis, Research Methodologies, Data Analysis, Policy Analysis, Research, Public Health, Health Information Management, Data Literacy, Program Evaluation, Health Assessment, Patient Communication, Informatics, Data Visualization
Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, Scientific Methods, Research, Research Methodologies, Public History, Investigation, Spatial Analysis, Geographic Information Systems, World History, Data Integration, European History, Culture
★ 4.8 (147) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: International Relations, Sustainable Development, Climate Change Programs, Governance, Socioeconomics, Environment, Cultural Sensitivity, Economic Development, Political Sciences, Natural Resource Management, Environmental Policy, Oil and Gas, World History, Environment and Resource Management, Environmental Science, European History, Petroleum Industry, Energy and Utilities, Anthropology
★ 4.8 (40) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Research, User Feedback, Business Research, Market Research, Business Analysis
★ 4.6 (50) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Operating System Administration, Network Security, IT Security Architecture, Package and Software Management, IT Infrastructure, Computer Networking, Information Systems Security, Systems Administration, Microsoft Windows, Technical Support and Services, Cybersecurity, OSI Models, Cloud Management, Technical Support, Network Troubleshooting, Disaster Recovery, Operating Systems, Help Desk Support, TCP/IP, Computer Hardware
★ 4.9 (37) · Beginner · Professional Certificate · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Algorithms, Model Optimization, Machine Learning Algorithms, Theoretical Computer Science, Program Development, Solution Design
★ 4.2 (23) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linear Algebra, Applied Mathematics, Algebra, Mathematics and Mathematical Modeling, Calculus, Advanced Mathematics, Differential Equations, Mathematical Theory & Analysis, Trigonometry
★ 4 (44) · Mixed · Course · 1 - 3 Months
Curtis Institute of Music
Skills you'll gain: Music Performance, Instrumental Music, Music History, Classical Music, Performing Arts, Music, Music Theory, Musical Composition
★ 4.9 (66) · Intermediate · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: World History, Ancient History, Community Organizing, Social Studies, Demography, Public History, Socioeconomics, Community Development, International Relations, Economic Development, Cultural Diversity, Culture, Liberal Arts
★ 4.3 (105) · Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Hazard Analysis, Fire And Life Safety, Chemical Engineering, Accident Prevention, Risk Analysis, Electrical Safety, Risk Management, Risk Control, Engineering Analysis, Schematic Diagrams, Engineering Calculations, Estimation
★ 4.8 (56) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Medical Emergency, Neurology, Trauma Care, Public Health and Disease Prevention, Patient Evaluation, First Aid, Patient Treatment, Mental Health Diseases and Disorders, Psychiatry, Emergency Response, Injury Prevention, Patient Transport, Health Assessment
★ 4.8 (42) · Beginner · Course · 1 - 4 Weeks