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.

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Encryption, FinTech, Emerging Technologies, Ledgers (Accounting), Business Modeling, Distributed Computing, Open Source Technology, Digital Assets, Transaction Processing, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Development, Javascript, Bootstrap (Front-End Framework), Scripting, Browser Compatibility, Application Programming Interface (API), Back-End Web Development
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Semiconductors, Electrical Power, Electronics, Electrical Engineering, Electronic Components, Engineering Analysis, Simulation and Simulation Software
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Physics, Laboratory Equipment, Physical Science, Radiation Protection, Science and Research, Experimentation, Research, Mathematical Modeling
Mixed · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Application Development, Authentications, Web Applications, SQL, Server Side, Application Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Security Testing, Cyber Risk, Vulnerability Management, Incident Response, Network Architecture
Intermediate · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Climate Change Mitigation, Sustainable Development, Economic Development, Environmental Policy, Policy Development, Mathematical Modeling, Systems Thinking, Complex Problem Solving, Research, Innovation, Stakeholder Engagement
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Integral Calculus, Calculus, Engineering, Geometry, Advanced Mathematics, Mechanical Engineering, Applied Mathematics, Electrical Engineering, Physics, Derivatives
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Web Scraping, Data Manipulation, R Programming, Data Transformation, Data Cleansing, Data Science, Big Data, Statistical Programming, Text Mining, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Child Health, Maternal Health, Infant Care, Preventative Care, Family Support, Nutrition and Diet
Beginner · Course · 1 - 4 Weeks
DeepLearning.AI
Skills you'll gain: Disaster Recovery, Image Analysis, Data Ethics, Emergency Response, Mitigation, Text Mining, Natural Language Processing, Artificial Intelligence, Computer Vision, Geospatial Information and Technology, Machine Learning Methods, Data Analysis
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Cloud Services, Cloud Computing, Cloud Storage, Cloud Platforms, Infrastructure As A Service (IaaS), Middleware, Containerization, Data Storage Technologies, Virtualization, Virtual Machines, Cloud Applications, Amazon S3, Platform As A Service (PaaS)
Intermediate · Course · 1 - 3 Months