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: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Test Case, Test Execution Engine, Data Structures
★ 4.6 (7) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Graphic Design, Logo Design, Graphics Software, Graphic and Visual Design Software, Computer Graphic Techniques, Digital Design
★ 4.5 (10) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Blockchain, User Interface (UI), Bootstrap (Front-End Framework), User Interface (UI) Design, Development Environment, JavaScript Frameworks, Front-End Web Development, Debugging, Frontend Integration, Web Development Tools, Full-Stack Web Development, Animations, Test Tools, Unit Testing, FinTech, Application Development, Development Testing, Integrated Development Environments, Application Deployment, Other Programming Languages
★ 4.5 (11) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Computer Architecture, Mainframe Computing, Mainframe Technologies, Microarchitecture, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Programming Principles, System Programming, Data Structures, Computational Logic, Computer Hardware, Program Development, Computer Programming, Memory Management
★ 3.9 (10) · Intermediate · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Internet Of Things, Software-Defined Networking, Network Planning And Design, Distributed Computing, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Electronics Engineering, Zero Trust Network Access, AI Integrations, Information Technology, Machine Learning, Trustworthiness
★ 4.8 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Programming Principles, Software Versioning, Data Science, Generative AI, Development Environment, Computer Programming, Data Analysis
★ 4.2 (6) · Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Computational Thinking, Code Review, Event-Driven Programming, Animation and Game Design, Graphics Software, Computer Graphics, Animations, Programming Principles, Javascript, Interactive Design, Program Development, Computer Programming
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Collection, Data Processing, Data Analysis, Data Access, Statistical Analysis, Sampling (Statistics)
★ 4.5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Memory Management, Software Visualization, Performance Tuning
★ 4.6 (7) · Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Code Reusability, Virtual Machines, Verification And Validation, Program Development, Python Programming, Maintainability, Data Manipulation, Programming Principles, Scripting, Development Environment, Scripting Languages, Computer Programming, Software Installation, Debugging, Software Development, Computer Programming Tools, Computational Logic, Cross Platform Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Memory Management, Operating Systems, C++ (Programming Language), C (Programming Language), System Configuration, Hardware Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Computing Platforms, Program Development, Application Development
★ 5 (71) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animation and Game Design, Animations, UI Components, Development Environment
★ 4.7 (19) · Intermediate · Course · 1 - 4 Weeks