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: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Responsive Web Design, Scripting Languages, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Visualization (Computer Graphics), Java
★ 4.4 (71) · Beginner · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: Model View Controller, Debugging, Responsive Web Design, User Interface (UI), HTML and CSS, Web Design and Development, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Design and Product, Vibe coding, Cascading Style Sheets (CSS), Application Frameworks, Hypertext Markup Language (HTML), Program Development, Generative AI
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), File I/O, Object Oriented Programming (OOP), Test Automation, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Scripting, Python Programming, Automation, Development Environment, Data Structures
★ 4.5 (6) · Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Large Language Modeling, LLM Application, Learning Strategies, Education Software and Technology, AI Personalization, AI literacy, Lifelong Learning, Human Learning, Adult Learning Principles, Student-Centred Learning, Generative AI, Critical Thinking, Goal Setting
★ 5 (9) · Beginner · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Transaction Processing, Payment Systems, FinTech, Encryption, Data Structures, Public Key Cryptography Standards (PKCS), Virtualization and Virtual Machines, Network Protocols, Software Architecture, Distributed Computing, Data Integrity, Network Architecture, Algorithms
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Videography, Multimodal Prompts, Video Production, Prompt Patterns, AI powered creativity, Visual Storytelling, Photo/Video Production and Technology, Generative AI, Artificial Intelligence, Google Gemini, Cinematography, Gemini, Artificial Intelligence and Machine Learning (AI/ML), Content Creation, Google Workspace
★ 4.6 (8) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Functional Behavior Assessment, Behavioral Management, Applied Behavior Analysis, Instructional Strategies
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Structural Analysis, Building Codes, Structural Engineering, Civil Engineering, Engineering Analysis, Simulation and Simulation Software, Engineering Practices, Drafting and Engineering Design, Design Specifications, Engineering Design Process, Engineering Calculations, Planning
★ 4.6 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · 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
★ 5 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Version Control, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Serverless Computing, Database Management, Cloud-Native Computing, Internet Of Things, DevOps, Cloud Deployment, Databases, Network Protocols, Cloud Computing Architecture, Amazon Web Services, Cloud Management
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Virtual Machines, Debugging, Virtualization, Application Development, Development Environment, Software Installation, Python Programming, Programming Principles, Program Development, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks