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 California, Irvine
Skills you'll gain: English Language, Grammar, Language Learning
Intermediate · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Market Analysis, Peer Review, Case Studies, Marketing Planning, Marketing Management, Strategic Marketing, Hospitality Management, Consumer Behaviour, Marketing Strategy and Techniques, Marketing Effectiveness, Marketing Operations, Target Market, Competitive Analysis, Business
Beginner · Course · 1 - 3 Months

Aptly
Skills you'll gain: TikTok, Content Performance Analysis, Business Marketing, Social Media Marketing, Content Creation, Online Advertising, Storytelling, Social Media Strategy, Social Media, Marketing Strategies, Performance Measurement, Content Marketing, Video Editing, Video Production, Social Media Content, Advertising, Digital Media Strategy, Advertising Campaigns, Performance Analysis, Marketing
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Visualization, Data Analysis, Research Design, Descriptive Statistics, Analytics, Analysis, Statistics, Quantitative Research, Statistical Methods, Probability & Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Simple Object Access Protocol (SOAP), TCP/IP, Restful API, Information Privacy
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Mathematical Software, Data Analysis, Mathematical Theory & Analysis, Derivatives, Graphing, Algebra
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Biology, Taxonomy, Anthropology, World History, Environmental Science, Microbiology, Climate Change Adaptation, Scientific Methods, Chemistry
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Human Centered Design, Problem Solving, Critical Thinking, Analytical Skills, Data Science, Complex Problem Solving, Decision Making, Data Analysis
Beginner · Course · 1 - 4 Weeks

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 Problem-Solving, Innovation, Brainstorming, Project Management, User Centered Design, Collaboration
Mixed · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Data Warehousing, Cloud Deployment, Data Analysis, Cloud Computing, Data Architecture, Big Data, Cloud Services, Analytics, Analysis, Data Storage, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Public Cloud, Software As A Service, Database Architecture and Administration, Statistical Analysis, Data Strategy, Data Integration
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Object Oriented Programming (OOP), Video Game Development, Web Applications, Data Persistence, Scripting, Computer Programming, Front-End Web Development, Web Development, Debugging
Beginner · Course · 1 - 3 Months