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.

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Drafting and Engineering Design, 3D Modeling, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Data Warehousing, Data Persistence, Cloud Deployment, Data Analysis, Data Presentation, Cloud Computing, Data Architecture, Big Data, Cloud Services, Data Infrastructure, Analysis, Analytics, Data Storage, Database Administration, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Cloud Platforms, Public Cloud
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Design Thinking, Healthcare Project Management, Solution Design, Quality Improvement, Patient Flow, Continuous Quality Improvement (CQI), Patient Safety, Creative Thinking, Innovation, Brainstorming, Project Management, Problem Management, Needs Assessment, Clinical Practices, User Centered Design, Process Modeling
Mixed · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Qualitative Research, Research Design, Science and Research, Report Writing, Research Reports, Scientific Methods, Research, Research Methodologies, Social Sciences, Data Analysis Software, Case Studies
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Android Development, Application Development, Android (Operating System), Video Game Development, Android Studio, Mobile Development, Software Development Tools, Game Design, Computer Programming Tools, Development Environment, Internet Of Things, Web Servers, Web Applications, Java, Ubuntu, Peripheral Devices, Operating Systems, Software Installation, System Configuration, Hardware Troubleshooting
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: WordPress, Responsive Web Design, Web Content, Content Management Systems, Web Design, Web Presence, Web Design and Development, Content Management, Web Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Analysis, Statistical Reporting, Data Cleansing, Data Wrangling, Microsoft Excel, Data Analysis Software, Data Manipulation, Data Preprocessing, Data Quality, Excel Formulas
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Bioinformatics, Statistical Methods, Statistical Analysis, Molecular Biology, Graph Theory, Taxonomy
Intermediate · Course · 1 - 3 Months

University of Rochester
Skills you'll gain: Music History, Music, Musical Composition, Music Performance
Beginner · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Network Engineering, Wireless Networks, Network Security, General Networking, Network Architecture, Network Infrastructure, Mobile Security, Network Protocols, Telecommunications, Communication Systems, Digital Communications, Dataflow, Authentications, Key Management, Encryption
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Physiology, Microbiology, Molecular, Cellular, and Microbiology, Public Health and Disease Prevention, Environment, Pathology, Biology, Research
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Machine Learning Algorithms, Taxonomy, Data Mining, Data Preprocessing, Machine Learning, Data Analysis Software, Life Sciences, Anthropology, Statistical Methods
Intermediate · Course · 1 - 4 Weeks