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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Project Management Institute (PMI) Methodology, Project Management Life Cycle
Beginner · Course · 1 - 3 Months

Skills you'll gain: Process Capability, Statistical Analysis, Data Analysis, Project Management, Six Sigma Methodology, Statistics, Work Breakdown Structure, Lean Six Sigma, Process Analysis, Data Collection, Project Scoping, Performance Measurement, Customer experience improvement, Quality Improvement, Quality Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Troubleshooting, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MySQL Workbench, MySQL, Database Management Systems, Database Management, Data Manipulation, Data Management, SQL, Databases, Query Languages, Data Integration, Data Science
Beginner · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Angular, TypeScript, Web Components, JavaScript Frameworks, UI Components, Web Development Tools, Web Applications, Front-End Web Development, Software Architecture, Command-Line Interface, Routing Protocols, Cascading Style Sheets (CSS), Service Oriented Architecture
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Modeling, Exploratory Data Analysis, R Programming, Predictive Modeling, Sampling (Statistics), Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Regression Analysis, Classification And Regression Tree (CART), Statistical Inference, Statistical Analysis, Rmarkdown, Data Preprocessing, Statistical Methods, Probability & Statistics, Model Evaluation, Machine Learning
Mixed · Course · 1 - 3 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, AI Product Strategy, Prototyping, Generative AI
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Medical Imaging, Patient Evaluation, Clinical Assessment, Health Technology, Vital Signs, Health Assessment, Patient Preparation, Patient Coordination, Patient Education And Counseling, Patient-centered Care, Patient Treatment, Patient Flow, Health Care, Telecommunications, Care Management, Communication
Beginner · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Quality Assurance, Software Development Life Cycle, Quality Assurance, Software Documentation, Functional Testing, Software Testing, Software Development Methodologies, Acceptance Testing, User Acceptance Testing (UAT), Test Case, Maintainability, Unit Testing, Software Design, System Testing, Integration Testing, Waterfall Methodology, Agile Methodology, Regression Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Windows PowerShell, Scripting, Microsoft Windows, Scripting Languages, Command-Line Interface, IT Automation
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Rapport Building, Relationship Building, Constructive Feedback, Empathy, Collaboration, Professional Networking, Trustworthiness, Growth Mindedness, Communication Strategies
Beginner · Course · 1 - 3 Months