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: Figma (Design Software), Animations, Responsive Web Design, Prototyping, UI Components, Interaction Design, Mockups, User Experience Design, User Interface (UI) Design, User Flows, Collaborative Software
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Web Development, Artificial Intelligence, Generative AI
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, C (Programming Language), Embedded Software, Data Structures, Programming Principles, Data Management, Performance Tuning, Software Development
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Architecture, Data Warehousing, SQL, Data Import/Export, Software Installation, Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Transaction Processing, Secure Coding, Distributed Computing, Data Integrity, Integrated Development Environments, Program Development, Cryptography, Software Design Documents, Development Environment, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Restful API, Rust (Programming Language), Application Programming Interface (API), OS Process Management, Video Game Development, Web Development, JSON, Programming Principles, Servers, Debugging, TCP/IP
Intermediate · Guided Project · Less Than 2 Hours

Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Markov Model, Engineering Analysis, Mathematical Modeling, Computational Thinking, Failure Analysis, Biological Engineering, Hazard Analysis, Simulations, Chemical Engineering, Model Evaluation, Applied Mathematics, Differential Equations, Probability
Build toward a degree
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Classification Algorithms, Data Preprocessing, Model Deployment, Model Evaluation, Decision Tree Learning, Regression Analysis, Logistic Regression
Beginner · Course · 1 - 4 Weeks

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
Duke University
Skills you'll gain: Financial Reporting, Accounting, Budgeting, Financial Statements, Financial Analysis, Financial Management, Financial Planning, Asset Management, Tax, Investment Management, Tax Compliance, Ethical Standards And Conduct, Fundraising
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud-Native Computing, Istio, Docker (Software), Kubernetes, Containerization, Google Cloud Platform, Cloud Computing Architecture, Scalability, Microservices, Cloud Deployment, Application Deployment, Cloud Applications
Intermediate · Course · 1 - 4 Weeks