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: React Native, UI Components, Mobile Development, Responsive Web Design, User Interface (UI), React Redux, Debugging, Application Deployment, React.js, Application Development, User Interface (UI) Design, Animations, Figma (Design Software), Application Design, OpenAI API, Mobile Development Tools, LLM Application, Apple iOS, Cross Platform Development, Android Development
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Ggplot2, R Programming, Plot (Graphics), Data Visualization, Data Manipulation, Statistical Visualization, Statistical Modeling, Data Analysis, Data Science, Statistical Analysis, Statistical Machine Learning, Machine Learning Methods, Machine Learning, Decision Tree Learning, Machine Learning Algorithms, Regression Analysis, Data Structures, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Revenue Cycle Management, Medical Office Procedures, Clinical Documentation, Medical Coding, Billing & Invoicing, CPT Coding
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Agentic Workflows, Search Engine Optimization, Generative Engine Optimization (GEO), Agentic systems, Web Analytics and SEO, AI Workflows, Content Optimization, Generative AI Agents, Cross-Functional Team Leadership, Keyword Research, Prompt Engineering, Semantic Web, ChatGPT, LLM Application, Content Strategy, Artificial Intelligence, Marketing Automation, Generative AI, Predictive Analytics, Business Strategy
★ 4.8 (6) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Unit Testing, .NET Framework, Software Testing, Event-Driven Programming, Test Tools, Application Frameworks, Maintainability, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Web Development, Front-End Web Development, UI Components, Application Frameworks, Design Elements And Principles, Typography, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Bootstrap (Front-End Framework), JavaScript Frameworks, UI Components, ASP.NET, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Application Programming Interface (API), User Interface (UI), Javascript, Web Development Tools, Code Reusability, Event-Driven Programming, Data Validation
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: English Language, Environmental Issue, Language Competency, Vocabulary, Grammar, Language Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agile Methodology, User Feedback, No-Code Development, Agile Software Development, Collaborative Software, Application Development, Software Quality (SQA/SQC), Software Development, Prototyping, Constructive Feedback, Development Testing, User Interface (UI), Business Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Restful API, Rust (Programming Language), Application Programming Interface (API), Build Tools, Package and Software Management, OS Process Management, Video Game Development, Server Side, Web Development, Program Development, Programming Principles, TCP/IP
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Case Studies, Experience Design, Business Solutions, User Experience Design, User Experience, Natural Language Processing, Application Programming Interface (API), Interaction Design, Application Deployment, AI Integrations, Application Development, Artificial Intelligence, Systems Integration, Scalability, Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java, Java Programming, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Computer Programming, Android Development, Application Development, Programming Principles, Program Development, File Management, Problem Solving
Beginner · Course · 1 - 3 Months