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: NumPy, Plot (Graphics), Pandas (Python Package), Scientific Visualization, Data Manipulation, Scatter Plots, Machine Learning Methods, Applied Machine Learning, Machine Learning, Data Science, Machine Learning Algorithms, Data Analysis Software, Statistical Methods, Histogram, Data Processing, Numerical Analysis, Data Import/Export, Probability Distribution, Linear Algebra, Classification Algorithms
Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Manufacturing and Production, Production Process, Manufacturing Processes, Manufacturing Operations, Quality Control, Energy and Utilities, Operations, Workforce Development, Training Programs, Supply Chain, Environmental Issue, Electric Power Systems, Workforce Planning, Sustainable Technologies, Supply Chain Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Java Programming, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Modeling, Data Analysis Expressions (DAX), Data Transformation, Data Wrangling, Interactive Data Visualization, Business Intelligence, Data Visualization Software, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Role-Based Access Control (RBAC), Microsoft Azure, Azure Active Directory, Cloud Solutions, Identity and Access Management, Cloud Management, Solution Architecture, Data Governance, Data Management, Cloud Security, Cloud Computing Architecture, System Monitoring, Authorization (Computing), Authentications, Application Performance Management, Key Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Java Programming, Java, Theoretical Computer Science, Programming Principles, Algorithms
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Statistics, Probability & Statistics, Analytics, Exploratory Data Analysis, Estimation, Logistic Regression
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Design, Promotional Materials, Marketing Materials, Advertising, Graphic Design, Google Workspace, Marketing, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Legal Technology, Legal Writing, Design Thinking, Client Services, Design, User Experience Design, Human Centered Design, Graphic and Visual Design, AI literacy, Cross-Functional Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Responsive Web Design, User Interface and User Experience (UI/UX) Design, User Experience Design, Digital Design, Web Design, Graphic and Visual Design, User Experience, Motion Graphics, Adobe XD, Interactive Design, No-Code Development, Graphic Design, Color Matching, Layout Design, Visual Design, Graphic and Visual Design Software, Design, Graphics Software
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, User Interface (UI), Web Design and Development, Database Design, HTML and CSS, User Interface and User Experience (UI/UX) Design, API Gateway, API Design, Front-End Web Development, Web Design, MongoDB, Cascading Style Sheets (CSS), Database Theory, Database Management, OAuth, Software Documentation
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: Generative AI, Financial Forecasting, Predictive Modeling, Financial Modeling, Financial Data, Market Data, Predictive Analytics, Financial Analysis, Portfolio Management, Financial Acumen, Risk Management, Investment Management, Risk Analysis, Spreadsheet Software, AI Integrations, Portfolio Risk, Financial Reporting, Analysis, Power BI, Automation
Beginner · Course · 1 - 4 Weeks