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.

Interplay Learning
Skills you'll gain: Electrical Safety, Personal protective equipment, Fire And Life Safety, HVAC, Occupational Safety And Health, Safety Training, High Voltage, Safety Standards, Fall Protection, Facility Repair And Maintenance, Accident Prevention, Injury Prevention, Facility Management
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Infectious Diseases, Molecular Biology, Biotechnology, Epidemiology, Computational Thinking, Microbiology
★ 4.4 (59) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, PostgreSQL
★ 4.3 (67) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Video Editing, Animations, Timelines, Motion Graphics, Post-Production, Video Production, Photo/Video Production and Technology, Editing, Data Import/Export, Color Matching, File Management, Performance Tuning
★ 4 (33) · Mixed · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Calculus, Numerical Analysis, Integral Calculus, Engineering Calculations, Applied Mathematics, Differential Equations, Algebra, Trigonometry, Physics, Mathematical Theory & Analysis, Derivatives
★ 4.9 (50) · Beginner · Course · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: Goal Setting, Engineering Management, Smart Goals, Recruitment, Technical Management, Management Training And Development, Employee Retention, Talent Management, Leadership and Management, Talent Acquisition, Expectation Management, Team Performance Management, People Management, Team Leadership, Recruitment Strategies, Organizational Effectiveness, Software Engineering, Program Management, Cloud Engineering, Business Strategy
★ 4.7 (76) · Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Trauma Care, Mental Health, Mental Health Therapies, Psychology, Psychotherapy, Cultural Responsiveness, Mental and Behavioral Health, Cultural Sensitivity, Patient Evaluation, Stress Management
★ 4.8 (33) · Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Analysis, Statistical Analysis, Descriptive Analytics, R (Software), Descriptive Statistics, Statistical Methods, Sampling (Statistics), Analysis, Probability & Statistics, Data Ethics, Data Collection, Analytical Skills, Medical Privacy, Exploratory Data Analysis, Statistical Reporting, Logistic Regression
★ 4.6 (46) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Large Language Modeling, LLM Application, Prompt Patterns, Prompt Engineering, Microsoft Azure, OpenAI API, Retrieval-Augmented Generation, OpenAI, Model Deployment, Risk Management Framework, MLOps (Machine Learning Operations), Embeddings, Cloud Deployment, Application Deployment, Python Programming
★ 4.2 (53) · Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Capital Markets, Financial Market, Investment Banking, Securities Trading, Investments, Financial Trading, Finance, Sales, Investment Management, Market Dynamics
★ 4.8 (53) · Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Scope Management, Work Breakdown Structure, Project Scoping, Feasibility Studies, Project Management Life Cycle, Contract Management, Project Management, Change Management, Claims Processing, Project Planning, Organizational Structure, Legal Risk, Bidding
★ 4.7 (42) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Wireless Networks, Emerging Technologies, Network Engineering, Network Planning And Design, Network Infrastructure, Network Performance Management, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML), Distributed Computing, Technology Strategies
★ 4.5 (32) · Intermediate · Course · 1 - 4 Weeks