First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

University of Colorado Boulder
Skills you'll gain: Control Systems, Machine Controls, Engineering, Scientific, and Technical Instruments, Process Control, Laboratory Equipment, Manufacturing Processes, Embedded Software, Electronic Systems, Electronics, Semiconductors, Laboratory Testing, Health Technology, Medical Devices, Electronic Components, Performance Tuning, Network Protocols
★ 4.6 (322) · Intermediate · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: Ancient History, World History, International Relations, Political Sciences, Governance, Research Methodologies
★ 4.6 (345) · Mixed · Course · 1 - 3 Months
Skills you'll gain: People Management, Team Leadership, Team Management, Management Training And Development, Team Performance Management, Team Building, Leadership and Management, Organizational Leadership, Teamwork, Relationship Management, Leadership, Culture Transformation, Organizational Effectiveness, Relationship Building, Internal Communications, Communication Strategies, Willingness To Learn, Lifelong Learning, AI Enablement
★ 4.8 (266) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Investment Banking, Financial Forecasting, Business Valuation, Financial Analysis, Financial Modeling, Cash Flow Forecasting, Financial Accounting, Revenue Forecasting, Financial Data, Mergers & Acquisitions, Income Statement, Balance Sheet, Corporate Finance, Forecasting, Cash Flows, Benchmarking
★ 4.5 (226) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unreal Engine, Object Oriented Programming (OOP), Object Oriented Design, File I/O, C++ (Programming Language), C and C++, Debugging, Game Design, Computer Programming, Event-Driven Programming, Computer Programming Tools, Video Game Development, Unity Engine, Data Structures, C# (Programming Language), Data Storage, 3D Assets, Development Environment, Software Documentation, Program Development
★ 4.5 (212) · Intermediate · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: JUnit, Unit Testing, Maintainability, Software Design Patterns, Software Testing, Test Automation, Integration Testing, Test Driven Development (TDD), Development Testing, Testability, Software Engineering, Test Tools, Secure Coding, Android Development, Application Security, Software Design, Mobile Security
★ 4.5 (297) · Mixed · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: 3D Assets, Ancient History, 3D Modeling, Visualization (Computer Graphics), Public History, Digital Publishing, Scientific Methods, Data Sharing, Anthropology, Data Modeling, Cultural Diversity, Case Studies, Cultural Sensitivity, Liberal Arts, Research, Data Management, Data Collection, Semantic Web
★ 4.4 (310) · Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS (Software), SPSS, Analytics, Real Time Data, Apache Hadoop, Data Processing, Statistical Analysis, Data Analysis Software, Business Planning, Data Storage Technologies, Business Strategy, Business Strategies, Market Share, Distributed Computing, Machine Learning Algorithms, File Systems
★ 4.7 (321) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Code Reusability, Data Visualization, Statistical Visualization, Programming Principles, Computer Science, Computer Programming, Data Wrangling, Data Manipulation, Data Processing, Data Science, Package and Software Management, Python Programming, Computational Logic, Data Structures
★ 4.7 (314) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Google Cloud Platform, Microsoft Azure, Azure Active Directory, Cloud Management, User Provisioning, Cloud Infrastructure, Virtual Private Networks (VPN), Hybrid Cloud Computing, Virtual Networking, Active Directory, User Accounts, Network Security, Firewall, Network Routing, Command-Line Interface
★ 4.6 (246) · Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Economic Development, Community Development, Entrepreneurship, Economics, Project Design, Sustainable Development, Socioeconomics, International Relations, Competitive Analysis, New Business Development, Case Studies, Social Studies, Innovation, Policy Development, Governance, Natural Resource Management
★ 4.8 (407) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Microbiology, Infectious Diseases, Biotechnology, Precision Medicine, Biochemistry, Brute-force attacks, Computational Thinking, Algorithms, Python Programming
★ 4.6 (325) · Intermediate · Course · 1 - 3 Months