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.

Skills you'll gain: Oral Expression, Concision, Verbal Communication Skills, Storytelling, Interviewing Skills, Personal Attributes, Writing, Professional Networking, Relationship Building, Professional Development, Business Writing, Job Analysis, Communication, Editing
★ 4.5 (133) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Data Persistence, Programming Principles, Python Programming, Data Storage, File Management, Computer Science
★ 4.4 (152) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Video Game Development, Augmented and Virtual Reality (AR/VR), Game Design, Prototyping, Virtual Environment, Storyboarding, User Acceptance Testing (UAT), Usability Testing, Conceptual Design, Computer Graphics, Interaction Design, User Experience Design, Data Ethics, Development Testing, Human Computer Interaction
★ 4.5 (90) · Intermediate · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Food and Beverage, Sustainable Development, Nutrition and Diet, Sustainable Systems, Environment, Nutrition Education, Sustainability Standards, Sustainable Technologies, Environmental Issue, Climate Change Mitigation, Waste Minimization, Environmental Science, Emerging Technologies, Innovation
★ 4.8 (178) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Theoretical Computer Science, System Testing, Embedded Software, Software Systems, Communication Systems, Systems Design, System Design and Implementation, Embedded Systems, Automation, Process Modeling, Behavioral Management, System Configuration, Markov Model
★ 4.4 (183) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Time Series Analysis and Forecasting, Model Evaluation, Predictive Modeling, Data Preprocessing, Model Training, Regression Analysis, Microsoft Excel, Forecasting, Excel Formulas, Pivot Tables And Charts, Data Manipulation, Data Transformation, Feature Engineering, Statistical Modeling, Spreadsheet Software, Predictive Analytics, Model Optimization, Data Cleansing, Statistical Methods
★ 4.8 (144) · Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Patient Communication, Informed Consent, Clinical Research, Community Outreach, Patient-centered Care, Clinical Trials, Health Equity, Health Disparities, Clinical Research Ethics, Patient Education and Support, Research, Healthcare Ethics, Interpersonal Communications, Diversity Awareness, Community Health, Cultural Responsiveness, Rapport Building, Patient Referral, Cultural Sensitivity, Diversity Equity and Inclusion Initiatives
★ 4.8 (107) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Databases, Relational Databases, SQL, Database Management Systems, Database Architecture and Administration, Stored Procedure, Database Management, Data Management, Network Architecture, Software Development Tools, Change Control
★ 4.6 (121) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: iOS Development, Apple iOS, User Interface (UI), Model View Controller, Core Data (Software), User Interface (UI) Design, UI Components, User Interface and User Experience (UI/UX) Design, Responsive Web Design, Mobile Development, Human Computer Interaction, Software Design, Geospatial Mapping, Animations, Application Development, Data Persistence
★ 4.5 (189) · Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, AI Integrations, Git (Version Control System), Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
★ 4.6 (143) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: WordPress, Responsive Web Design, Web Content, Content Management Systems, Web Design, Web Presence, Web Design and Development, Content Management, Web Development
★ 4.4 (230) · Beginner · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Care Coordination, Value-Based Care, Care Management, Patient Coordination, Clinical Informatics, Health Informatics, Interoperability, Health Technology, Healthcare Ethics, Clinical Leadership, Patient Education and Support, Patient-centered Care, Healthcare Industry Knowledge, Patient Communication, Health Systems, Health Care, Health Information Management, Primary Care, Telehealth, Communication
★ 4.6 (161) · Beginner · Course · 1 - 3 Months