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: Memory Management, C and C++, Scalability, Performance Tuning, C++ (Programming Language), Microarchitecture, Computer Architecture, Cross Platform Development, Hardware Architecture, Computing Platforms, C (Programming Language), Program Development
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud Management, Dashboard, Resource Utilization, Cost Containment, Budget Management, Financial Management, Cost Control, Financial Data, Cost Management, Expense Management, Anomaly Detection, Serverless Computing, Resource Allocation, Cloud Computing Architecture, Forecasting, Management Reporting, Cost Reduction, Containerization, Plan Execution, Solution Architecture
★ 4 (6) · Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Model Evaluation, Apache Hadoop, Machine Learning Methods, AI Personalization, Digital Marketing Tools, Data-Driven Marketing, Customer Analysis, Marketing Automation, Digital Marketing, Marketing Strategies, Applied Machine Learning, Big Data, Customer Insights, Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Deep Learning, Predictive Analytics
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistical Methods, Statistical Reporting, Quantitative Research, Statistical Analysis, Probability & Statistics, Sampling (Statistics), Statistical Inference, Descriptive Statistics, Statistics, Probability Distribution, Data Analysis, Regression Analysis, Research Design, Research, Psychology
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Digital Transformation, Business Transformation, Customer experience strategy (CX), Data Strategy, Organizational Development, Business Modeling, Analytics, Organizational Change, Machine Learning Software, Technology Strategies, Innovation, Machine Learning, Business Strategy, Competitive Intelligence, Workforce Development, Strategic Decision-Making, Forecasting, Competitive Analysis, Process Optimization
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, Cloud Deployment, Web Design, Database Development, Database Systems, Front-End Web Development, Application Programming Interface (API), Full-Stack Web Development, Amazon Web Services, Cloud Computing, User Interface (UI), Authentications, Development Environment, Web Applications, Frontend Performance, Cascading Style Sheets (CSS), Continuous Deployment, Web Frameworks, Continuous Integration, Frontend Integration
Advanced · Specialization · 1 - 3 Months

Google - Spectrum Sharing
Skills you'll gain: Key Management, Public Key Infrastructure, Communication Systems, Configuration Management, Telecommunications, Wireless Networks, Authorization (Computing), Network Infrastructure
Advanced · Course · 1 - 3 Months

Skills you'll gain: Meeting Facilitation, Discussion Facilitation, Agile Project Management, Employee Coaching, Team Management, Agile Methodology, Coaching, Team Building, Team Performance Management, Conflict Management, Leadership and Management, Leadership, Team Leadership, Leadership Development, People Development, Kanban Principles, Decision Making, Active Listening
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, User Interface (UI), Web Design and Development, HTML and CSS, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Web Design, Cascading Style Sheets (CSS), JavaScript Frameworks, Javascript, Bootstrap (Front-End Framework), React.js, UI Components, Web Development, Hypertext Markup Language (HTML), Software Development Tools, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Unix Shell, Command-Line Interface, Operating System Administration, Bash (Scripting Language), System Monitoring, Unix Commands, File Systems, grep, Unix, Scripting, System Support, Systems Administration, File Management, Scripting Languages, Operating Systems
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Securities (Finance), Portfolio Management, Equities, Investments, Financial Market, Finance, Portfolio Risk, Investment Management, Risk Modeling, Capital Markets, Statistical Methods, Market Data, Risk Analysis, Regression Analysis, Time Series Analysis and Forecasting, Risk Management
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design, Web Design and Development, Front-End Web Development, Web Content Accessibility Guidelines, Bootstrap (Front-End Framework), User Interface (UI) Design, User Interface (UI), Frontend Performance, Cascading Style Sheets (CSS), Usability, Hypertext Markup Language (HTML), Performance Tuning, Typography
Intermediate · Course · 1 - 4 Weeks