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.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
★ 4.9 (49) · Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Personally Identifiable Information, Law, Regulation, and Compliance, Data Sharing, Financial Regulation, Financial Services, Decision Intelligence, Data Strategy, Financial Systems, Finance, Business Ethics, Product Design, Application Programming Interface (API)
★ 4.8 (37) · Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Software Architecture, Amazon Web Services, API Gateway, Amazon DynamoDB, IT Automation, Middleware, Software Development, Python Programming, Service Oriented Architecture, Systems Architecture, Microservices, Cloud API, Serverless Computing, Cloud Applications, Cloud-Based Integration, Application Frameworks, Databases, Scripting, Database Systems, Application Development
★ 4.4 (25) · Beginner · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Supply Chain Management, Supply Chain, Inventory Control, Supply Chain Systems, Supply Chain Planning, Supplier Management, Logistics, Operational Performance Management, Cost Reduction, Performance Measurement, Business Technologies, Demand Planning, Risk Mitigation, Financial Analysis, Coordination
★ 5 (26) · Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Physics, Simulations, Mathematical Theory & Analysis, Mechanics, Integral Calculus, Mathematical Modeling, Calculus, Differential Equations, Probability & Statistics, Physical Science, Statistical Methods
★ 4.8 (34) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Competitive Analysis, Marketing Operations, Marketing Design, Marketing Strategies, Marketing Planning, Performance Reporting, Campaign Planning, Marketing Channel, Cross-Channel Marketing, Generative AI, Market Intelligence, Microsoft 365, Customer Analysis, Market Research, Artificial Intelligence, Customer experience improvement, Customer Retention
★ 4.7 (21) · Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Hospitality Services, Hospitality Management, Guest Relations, Hospitality, Hotels and Accommodations, Customer Service, Leadership, Leadership Development, Personalized Service, Customer experience improvement, Verbal Communication Skills, Operational Excellence, Talent Management, Sustainability Standards, Sustainable Business, Target Market, Consumer Behaviour, Experience Design
★ 4.8 (17) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Brand Marketing, Branding, Brand Strategy, Brand Awareness, Creative Design, Visual Storytelling, Target Audience, Brand Management, User Feedback, Customer Insights, Storytelling, Growth Strategies, Marketing, Driving engagement, Market Research, Target Market, Promotional Strategies, Social Media, Customer Analysis, Digital Marketing
★ 4.6 (18) · Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Decision Intelligence, Markov Model, Deep Learning, Statistical Methods, Analysis
★ 4.4 (25) · Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Javascript and jQuery, jQuery, Responsive Web Design, Web Development, Version Control, Web Design, Cascading Style Sheets (CSS), Web Design and Development, Hypertext Markup Language (HTML), HTML and CSS, Web Frameworks, GitHub, Web Applications, Javascript, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Network Architecture, Network Infrastructure, Application Frameworks
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Postman API Platform, Application Programming Interface (API), Software Testing, Restful API, Development Environment, Collaborative Software, Test Tools, Web Applications, Data Import/Export, User Interface (UI), Authentications
★ 4.4 (25) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Dashboard Creation, Statistical Reporting, Data Wrangling, Dashboard, Data Analysis, Data Cleansing, Plot (Graphics), R (Software), R Programming, Tidyverse (R Package), Data Preprocessing, Data Transformation, Graphic and Visual Design, Data Import/Export
★ 5 (38) · Mixed · Course · 1 - 4 Weeks