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: Algorithms, Technical Communication, Computational Thinking, Solution Design, Programming Principles, Software Design, Theoretical Computer Science, Data Structures, Problem Management, Mathematical Modeling, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Administration, Network Performance Management, Local Area Networks, Hardening, Intrusion Detection and Prevention
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Interactive Data Visualization, Interactive Design, Programming Principles, Visualization (Computer Graphics), Python Programming, Graphic and Visual Design, Computer Graphics, Computational Logic, Software Design, Computer Programming, Computational Thinking, File I/O, Data Structures, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Programming Principles, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Call Center Experience, Customer Complaint Resolution, Conflict Management, Customer Service, Retail Sales, Interviewing Skills, Problem Solving, Professionalism, Keyword Research, Communication, LinkedIn
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Data Visualization, Digital Transformation, Data Presentation, Data-Driven Decision-Making, Business Transformation, Presentations, Data Literacy, Decision Making, Dashboard, Business Analytics, Strategic Decision-Making, Customer Engagement, Analytics, Business Intelligence, Customer experience strategy (CX), Data Strategy, Case Studies, Leadership, Stakeholder Communications
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Cloud Deployment, Data Visualization, Restful API, Data Mapping, Interactive Data Visualization, Histogram, Data Transformation, Amazon Web Services, Data Processing, Apache Kafka, Scalability, Cloud Management, Information Architecture, System Monitoring, Network Monitoring, Application Performance Management, Data Management, Data Structures
Beginner · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Engineering Calculations, Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Construction, Engineering Analysis, Building Codes, Engineering Practices, Engineering, Materials science, Conceptual Design, Engineering Design Process, Architecture and Construction, Maintenance, Repair, and Facility Services, Finite Element Methods, Property Maintenance, Continuous Monitoring, Hydraulics, Failure Analysis
Advanced · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Game Design, Software Development, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Maintainability, Data Structures, Software Design, Computer Programming, Data Management
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Advocacy, Social Determinants Of Health, Public Health, Health Policy, Health Disparities, Health Equity, Health Care, International Relations, Socioeconomics, Governance, Research, Political Sciences
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), Web Design, Maintainability, Layout Design, Cascading Style Sheets (CSS), Usability, Web Applications, Hypertext Markup Language (HTML), Color Theory, Animations, Creativity
Intermediate · Course · 1 - 3 Months