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.

Google - Spectrum Sharing
Skills you'll gain: Key Management, Interoperability, Configuration Management, Telecommunications, Wireless Networks, Authorization (Computing), Data Validation
Advanced · Course · 1 - 3 Months

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

Università di Napoli Federico II
Skills you'll gain: Financial Market, Portfolio Management, Investments, Equities, Portfolio Risk, Market Liquidity, Capital Markets, Finance, Risk Analysis, Economics, Probability Distribution, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe After Effects, Video Production, Post-Production, Video Editing, Storyboarding, Ideation, Content Creation, Cinematography, Motion Graphics, Creativity, Color Matching
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unix Commands, Unix, Unix Shell, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Command-Line Interface, IT Automation, Linux, User Accounts, File Management, File Systems, Role-Based Access Control (RBAC), File Transfer Protocol (FTP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design, User Experience Design, Usability, User Centered Design, User Interface (UI) Design, Persona (User Experience), Adobe Photoshop, Figma (Design Software)
Intermediate · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Exploratory Data Analysis, Project Design, Data Mining, Ideation, Design Thinking, Data Analysis, Analytics, Business Analytics, Business Analysis, Sprint Planning, Unsupervised Learning, Case Studies, Anomaly Detection, Tree Maps
Beginner · Course · 1 - 3 Months
Skills you'll gain: Interviewing Skills, Job Analysis, Data-Driven Decision-Making, Recruitment, Diversity and Inclusion, Talent Acquisition, Performance Measurement, Decision Making, Communication
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cryptography, Encryption, Data Security, Cybersecurity, Network Security, Public Key Infrastructure, Data Encryption Standard, Security Engineering, Blockchain, Data Storage Technologies, Wireless Networks, Security Management, Virtual Private Networks (VPN), Intellectual Property, Authentications, Hardware Architecture, Emerging Technologies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Distributed Computing, Scalability, Performance Tuning, C++ (Programming Language), System Programming, Computer Architecture, Cross Platform Development, Hardware Architecture, C (Programming Language), Application Performance Management, Development Environment
Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Mechanical Design, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks

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