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: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Memory Management, Integrated Development Environments, System Programming, Software Installation
★ 3.7 (20) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization, Interactive Data Visualization, Statistical Visualization, Data Visualization Software, Exploratory Data Analysis, Data Presentation, R (Software), Scatter Plots, Tidyverse (R Package), R Programming, Box Plots, Graphing, Histogram, Data Wrangling, Data Manipulation
★ 4.7 (20) · Mixed · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Interactive Data Visualization, Productivity Software, Microsoft 365, Data Management, Dashboard, Pivot Tables And Charts, Microsoft Copilot, Business Analytics, Data Analysis, digital literacy, Generative AI
★ 4.9 (12) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Product Planning, Target Market, Persona Development, Operational Performance Management, Target Audience, Market Opportunities, Systems Thinking, Business Modeling, Product Lifecycle Management, Customer Analysis, Operational Analysis, Entrepreneurship, Leadership and Management, Business Planning, Engineering Management, Market Analysis, People Management, New Product Development, Governance, Engineering
★ 4.7 (15) · Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Project Schedules, Earned Value Management, Risk Analysis, Cost Estimation, Scheduling, Cost Management, Project Management, Project Planning, Project Estimation, Resource Allocation, Project Risk Management, Budget Management, Risk Mitigation, Resource Management, Timelines, Risk Management, Resource Planning, Budgeting, Project Performance, Performance Measurement
★ 4.7 (13) · Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Security Testing, AI Security, Responsible AI, API Testing, AI Integrations, Penetration Testing, OpenAI, Exploitation techniques, Vulnerability Scanning, Generative AI
★ 4.1 (22) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Frontend Integration, Front-End Web Development, User Interface (UI) Design, Web Design, Web Design and Development, Web Applications, JavaScript Frameworks, Server Side, Restful API, Secure Coding, Authentications, Authorization (Computing), Security Controls
★ 4.2 (19) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Spring Framework, Web Applications, Application Development, Web Development, Program Development, Restful API, Application Frameworks, Secure Coding, Bootstrap (Front-End Framework), Development Environment, Object-Relational Mapping, Model View Controller, UI Components, Software Development Tools, Authentications, User Interface (UI), Databases
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks
Corporate Finance Institute
Skills you'll gain: Wealth Management, Financial Planning, Financial Management, Finance, Relationship Building, Customer Relationship Building, Financial Services, General Finance, Client Services, Rapport Building, Plan Execution, Goal Setting
★ 4.7 (15) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Workflow Management, Spreadsheet Software, Project Management Software, Data Entry, Automation, Data Management, Collaborative Software, Data Sharing, Editing
★ 4.6 (16) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Convolutional Neural Networks, Autoencoders, Recurrent Neural Networks (RNNs), Image Analysis, Embeddings, Model Deployment, Applied Machine Learning, Artificial Neural Networks, Health Informatics, Machine Learning, Medical Science and Research, Unsupervised Learning, Dimensionality Reduction
★ 3.9 (15) · Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Pre-Clinical Development, Clinical Research, Drug Development, Clinical Trials, Medical Science and Research, Biomedical Technology, Pharmaceuticals, Laboratory Research, Science and Research, General Science and Research, Health Policy, Research, Biology, Biochemistry, Scientific Methods, Research Methodologies
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks