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: Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Analysis, Model Evaluation, Data Transformation, R Programming, Data Visualization, Regression Analysis, Predictive Modeling, Statistical Methods, R (Software), Data Manipulation, Plot (Graphics), Data Science, Box Plots, Statistical Visualization, Correlation Analysis, Model Training, Tidyverse (R Package)
★ 4.7 (377) · Intermediate · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Data Import/Export, Box Plots, Jupyter, Statistical Analysis, Data Visualization, Plot (Graphics), Scientific Visualization, Statistical Programming, Programming Principles, Exploratory Data Analysis, Descriptive Statistics, Data Manipulation, Mathematical Software, Epidemiology, Numerical Analysis, Other Programming Languages, Computer Programming, Statistical Hypothesis Testing, Scripting, Computational Logic
★ 4.4 (439) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Childhood Education and Development, Education Software and Technology, Education and Training, Human Learning, Child Development, School Psychology, Pedagogy, Human Development, Higher Education, Psychological Evaluations, Learning Theory, Psychology, Applied Behavior Analysis, Social Sciences
★ 4.6 (295) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Interactive Data Visualization, Data Visualization Software, Excel Macros, Analytics, Accounting Software, Specialized Accounting, Analytical Skills, Accounting Systems, Business Analytics, Microsoft Excel, Spreadsheet Software, Data Collection, Data-Driven Decision-Making, Data Analysis, Predictive Analytics, Data Architecture
★ 4.8 (457) · Beginner · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Web Presence, digital literacy, Social Media, Data Management, Data Ethics, Goal Setting
★ 4.6 (670) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Creative Thinking, Creativity, Data Presentation, Business Ethics, Business Analytics, Ideation, Data Literacy, Creative Problem-Solving, Leadership and Management, Business Analysis, Business Leadership, Brainstorming, Business Strategy, Organizational Leadership, Ethical Standards And Conduct, Decision Making, Emotional Intelligence, Cultural Sensitivity, Cultural Diversity, Brand Management
★ 4.7 (476) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Theory, Database Management Systems, Database Systems, Relational Databases, Databases, Database Architecture and Administration, Database Management, Data Storage Technologies, Data Storage, Transaction Processing, Data Modeling, Diagram Design
★ 4.6 (481) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Object Oriented Design, Version Control, Web Design and Development, Web Content Accessibility Guidelines, Design Software, Adobe XD, Responsive Web Design, .NET Framework, Microsoft Visual Studio, User Experience, Hypertext Markup Language (HTML), Authorization (Computing), AI Integrations, Application Security, Computational Thinking, User Interface (UI) Design, Web Components, Pseudocode, Microsoft Development Tools, Javascript
★ 4.6 (278) · Beginner · Professional Certificate · 3 - 6 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Data Preprocessing, Data Ethics, Applied Machine Learning, Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Product Lifecycle Management, Case Studies, Data Collection, Business Priorities, Supervised Learning, Business Requirements, Business Analysis, Unsupervised Learning, Artificial Intelligence
★ 4.7 (748) · Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Labor Law, Arbitration, Tax Compliance, Environmental Regulations, Environmental Laws, Case Law, Legal Writing, Legal Research, Law, Regulation, and Compliance, Labor Relations, Labor Compliance, Tax Laws, Mediation, Litigation and Civil Justice, Commercial Laws, Regulatory Compliance, Employee Relations, Contract Management, Governance
★ 4.8 (564) · Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Electrical Systems, Power Electronics, Electrical Power, Basic Electrical Systems, HVAC, Engineering Practices, Energy and Utilities, Electric Power Systems, Construction, Semiconductors, Cost Benefit Analysis, Sustainable Technologies, Cost Estimation, Return On Investment, System Configuration, Tax Management
★ 4.7 (873) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, User Provisioning, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Lightweight Directory Access Protocols, Identity and Access Management, Software Installation, Servers, Role-Based Access Control (RBAC), Endpoint Security, Server Administration, System Configuration
★ 4.7 (680) · Beginner · Course · 1 - 3 Months