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.
Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Command-Line Interface, Unix Shell, Unix Commands, Linux Commands, Unix, Linux, File I/O, File Management
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Bioinformatics, Infectious Diseases, Molecular Biology, Computational Thinking, Microbiology, Biology
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Regression Analysis, Actuarial Science, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Risk Modeling, Financial Systems, Mathematical Modeling, Numerical Analysis, Applied Mathematics, Python Programming, Process Optimization, Probability Distribution, Algorithms, Case Studies
Intermediate · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: Structural Engineering, Structural Analysis, Construction, Civil Engineering, Engineering Analysis, Engineering Design Process, Mechanics, Materials science, Applied Mathematics
Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Software Design Documents, Prototyping, Video Game Development, Software Documentation, Animation and Game Design, Conceptual Design, Ideation, Usability Testing, Peer Review, Creativity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, Agentic systems, AI Workflows, OpenAI API, LLM Application, Agentic Workflows, Prompt Patterns, OpenAI, Large Language Modeling, AI Enablement, Retrieval-Augmented Generation, Artificial Intelligence, Development Environment, Tool Calling, Microsoft Azure, AI Personalization, Microsoft Development Tools, Microsoft Visual Studio
Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Data Governance, SQL, Data Quality, Data Manipulation, Data Transformation, Query Languages, Data Modeling, Database Systems, Relational Databases, Data Processing, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Applied Machine Learning, Jupyter, Predictive Modeling, Machine Learning, Data Manipulation, Data Preprocessing, Data Science, Model Evaluation, Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Object Oriented Programming (OOP), Web Development, Full-Stack Web Development, Hypertext Markup Language (HTML), Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Responsible AI, AI Product Strategy, Generative AI, Risk Analysis, Risk Mitigation, IBM Cloud, Brainstorming, LLM Application, New Business Development, Strategic Decision-Making, Operational Efficiency
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Office, Communication, Business Communication, Graphic Design
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, UI Components, Web Design, Front-End Web Development, Mockups, User Interface (UI), Web Development, Debugging
Intermediate · Specialization · 1 - 3 Months