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.

University of Illinois Urbana-Champaign
Skills you'll gain: Plant Operations and Management, Biology, Environment
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Browser Compatibility, Responsive Web Design, UI Components, HTML and CSS, Hypertext Markup Language (HTML), Web Design and Development, Web Design, Web Content Accessibility Guidelines, Extensible Markup Language (XML), Cascading Style Sheets (CSS), Semantic Web, Verification And Validation, Interactive Design, User Interface (UI), Typography, Web Development Tools, Usability, Web Language, Web Development, Extensible Languages and XML
★ 4.9 (45) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Development Environment, Computer Graphics, Visualization (Computer Graphics), Graphics Software, Cross Platform Development, Computer Graphic Techniques, Video Game Development, Computer Programming Tools, Program Development, Software Installation, System Configuration
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Code Reusability, Maintainability, Programming Principles, Computer Programming, Python Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Kibana, Dashboard, Interactive Data Visualization, Data Presentation, Web Analytics, Data Visualization Software, Exploratory Data Analysis, Decision Support Systems, Data Analysis, Business Intelligence, Content Performance Analysis, Data Wrangling, Data Import/Export
★ 5 (12) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
★ 4.5 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Architecture, Code Review, AI Workflows, AI Integrations, Software Design, Python Programming, Version Control, Java Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Selenium (Software), Code Reusability
★ 2.2 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Computer Programming, Development Environment, Integrated Development Environments, Programming Principles, Data Structures, Memory Management, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Plot (Graphics), Statistical Visualization, Data Presentation, Box Plots, Scatter Plots, Data Visualization, Interactive Data Visualization, Dashboard Creation, Histogram, Descriptive Statistics, Data Visualization Software, R (Software), R Programming, Integrated Development Environments, Data Science
Beginner · Course · 1 - 3 Months

Indian Institute for Human Settlements
Skills you'll gain: Childhood Education and Development, Social Justice, Child Development, Community Development, Working With Children, Education and Training, Diversity Awareness, Community Outreach, Cultural Responsiveness, Socioeconomics, Higher Education, Pedagogy, Sustainable Development, Cultural Diversity, Social Impact, Teaching, Student-Centred Learning, Curriculum Development, Diversity Equity and Inclusion Initiatives, Critical Thinking
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Data Persistence, Event-Driven Programming, HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Browser Compatibility, Secure Coding, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, Data Validation, Data Management
★ 3.8 (8) · Beginner · Course · 1 - 3 Months