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: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java), Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Animation and Game Design, Video Game Development, User Interface (UI), UI Components, Debugging, Scripting, C# (Programming Language)
Mixed · 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

JetBrains
Skills you'll gain: Application Development, Generative AI Agents, Large Language Modeling, AI Enablement, Software Development Tools, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), IntelliJ IDEA, Generative AI, Code Review, Agentic systems, Integrated Development Environments, Software Development, Computer Programming, Debugging, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Political Sciences, International Relations, Social Justice, Policy Analysis, Social Sciences, World History, Culture, Diplomacy, Ethical Standards And Conduct, Governance
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Physics, Mechanics, Mechanical Engineering, Engineering, Applied Mathematics, Vibrations, Physical Science, Engineering Analysis, Trigonometry, electromagnetics, Mathematical Theory & Analysis, Problem Solving, Science and Research, Analytical Skills, Computer Science, Critical Thinking and Problem Solving, Logical Reasoning, Research, Software Development, Critical Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jupyter, Plot (Graphics), Model Evaluation, Microsoft Azure, Machine Learning Algorithms, Applied Machine Learning, Data Visualization, Regression Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Design, User Interface (UI) Design, UI Components, Usability, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Theoretical Computer Science, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Web Components, Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Frontend Performance, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Web Analytics and SEO, JavaScript Frameworks, Web Development, Semantic Web, Browser Compatibility, User Interface and User Experience (UI/UX) Design
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Plant Operations and Management, Equipment decontamination, Biology, Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Management, Microsoft Azure, Cloud Security, Data Security, Security Information and Event Management (SIEM), Data Structures, Microsoft Windows, Continuous Monitoring, Identity and Access Management, Query Languages
Intermediate · Course · 1 - 3 Months