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: Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Biotechnology, Business Modeling, Commercialization, Entrepreneurship, Business Strategy, Business Strategies, Feasibility Studies, Business Valuation, Business Planning, Market Opportunities, Innovation
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Java, Test Case, Maintainability, Software Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Systems, Embedded Software, Electric Power Systems, Engineering Software, Power Electronics, Hardware Troubleshooting, Software Systems, Systems Architecture, Electrical Engineering, Systems Integration, Debugging, Control Systems
Beginner · Course · 1 - 4 Weeks

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

Codio
Skills you'll gain: Prompt Engineering, OpenAI API, Multimodal Prompts, Generative AI, Photo Editing, OpenAI, Animations, Computer Graphics, Application Programming Interface (API), Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks

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
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Hazard Analysis, Environment Health And Safety, Health Assessment, Health And Safety Standards, Chemistry, Risk Analysis, Sustainable Engineering, Analytical Chemistry, Personal Care, Product Lifecycle Management, Environmental Regulations, Environmental Science, Child Health
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: User Interface and User Experience (UI/UX) Design, Figma (Design Software), User Interface (UI), Mockups, Design Software, Adobe XD, Responsive Web Design, User Experience, User Experience Design, User Centered Design, Wireframing, Microsoft Copilot, Cascading Style Sheets (CSS), Prototyping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, HTML and CSS, UI Components, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), Web Design, HTML and CSS, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Layout Design, Cascading Style Sheets (CSS), Usability, User Experience Design, Hypertext Markup Language (HTML), Color Theory, Animations
Intermediate · Course · 1 - 3 Months