App design courses can help you learn user interface design, prototyping, usability testing, and interaction design principles. You can build skills in creating wireframes, conducting user research, and implementing design feedback effectively. Many courses introduce tools like Sketch, Figma, and Adobe XD, that support creating visually appealing and functional app layouts. You’ll also explore design systems and accessibility standards to ensure your apps are user-friendly and inclusive.

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Development Environment, Web Development, Front-End Web Development, User Interface (UI), Interactive Design, GitHub
Beginner · Course · 3 - 6 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

Wesleyan University
Skills you'll gain: Professional Networking, Design Thinking, Decision Making, Professional Development, Self-Awareness, Personal Development, Creative Thinking, Social Sciences, Cultural Diversity, Workforce Development, Dealing With Ambiguity, Adaptability, Growth Mindedness
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Search Engine Marketing, Customer Engagement, Brand Management, Digital Media Strategy, Search Engine Optimization, Target Market, Digital Marketing, Web Analytics and SEO, Marketing Communications, Digital Advertising, Social Media Strategy, Digital Transformation, Customer Retention, Content Strategy, Marketing Analytics, Marketing Strategies, Social Media Marketing, Lead Generation, Customer Acquisition Management, Email Marketing
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Computer Architecture, Desktop Support, Data Storage Technologies, System Configuration, USB, Peripheral Devices, System Support
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Design, Database Management, Relational Databases, Data Manipulation, Databases, Data Import/Export, PostgreSQL, Database Management Systems, Data Integrity
Beginner · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Virtual Reality, Video Game Development, Augmented and Virtual Reality (AR/VR), Game Design, Prototyping, Virtual Environment, Storyboarding, Ideation, Usability Testing, Interaction Design, User Experience Design, Data Ethics, Development Testing
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Engineering, Operations Management, Manufacturing Operations, Corporate Sustainability, Business Leadership, Climate Change Mitigation, Product Design, Environmental Resource Management, Waste Minimization, Environmental Management Systems, Manufacturing Processes, Digital Transformation, Emerging Technologies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, Generative AI, Scripting, Python Programming, Test Case, Application Programming Interface (API), Application Development, Machine Learning, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours
Johns Hopkins University
Skills you'll gain: Sample Size Determination, Clinical Trials, Clinical Research, Statistical Reporting, Statistical Analysis, Advanced Analytics, Data Analysis, Statistical Methods, Patient Safety, Bayesian Statistics, Data Presentation, Communication
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, Web Applications, Browser Compatibility, User Experience Design, Requirements Analysis, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Environmental Engineering, Water Resource Management, Sustainable Engineering, Sustainable Technologies, Public Health, Cost Estimation, Data Collection, Case Studies
Intermediate · Course · 1 - 3 Months