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: Blockchain, Transaction Processing, Secure Coding, Distributed Computing, Data Integrity, Integrated Development Environments, Program Development, Cryptography, Development Environment, Virtual Machines, Software Development Tools
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), Front-End Web Development, User Interface and User Experience (UI/UX) Design, Javascript, Usability, Web Applications, Semantic Web, Data Validation
Beginner · Course · 1 - 3 Months
Skills you'll gain: User Experience Design, Data Storytelling, User Centered Design, Usability Testing, Product Improvement, Customer experience strategy (CX), User Research, Design Research, Figma (Design Software), User Feedback, Wireframing, Storytelling, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, User Interface (UI) Design, Semantic Web, Typography
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Architecture, Data Warehousing, SQL, Data Import/Export, Software Installation, Performance Tuning
Beginner · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Fundraising, Business Valuation, Entrepreneurial Finance, Sales Presentations, Commercial Laws, Investments, Investment Banking, Return On Investment, Private Equity, Due Diligence, Presentations, Finance, Financial Analysis, Negotiation, Contract Negotiation, Stakeholder Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, React Redux, Cloud Deployment, Application Deployment, Cloud Applications, Software Testing, Web Development, Application Development, Jest (JavaScript Testing Framework), Frontend Integration, JavaScript Frameworks, Software Architecture, Javascript and jQuery, Front-End Web Development, Real Time Data, Application Programming Interface (API), Responsive Web Design, Event-Driven Programming, Cascading Style Sheets (CSS), UI Components
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), UI Components, Javascript and jQuery, Front-End Web Development, Usability, Web Development, Browser Compatibility, User Interface (UI), Interactive Design, Javascript, Creative Design, Web Design and Development, Typography, Web Analytics and SEO, Wireframing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Graphics, Application Development, Visualization (Computer Graphics), Software Design, C++ (Programming Language), Microsoft Windows, Software Architecture, Application Lifecycle Management, Context Management, System Configuration, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, AWS CloudFormation, Cloud Storage, Infrastructure as Code (IaC), Data Security, AWS Identity and Access Management (IAM), Cloud Hosting, Cloud Security, Performance Tuning, Data Storage, Command-Line Interface, Encryption
Intermediate · Course · 3 - 6 Months

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

University of Maryland, College Park
Skills you'll gain: No-Code Development, Application Development, User Experience, User Interface (UI), Data Modeling, Application Design, Cloud-Based Integration, Application Deployment, Automation, Cloud Applications, Salesforce, ServiceNow
Intermediate · Course · 1 - 3 Months