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.

Peking University
Skills you'll gain: C# (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Object Oriented Programming (OOP), Extensible Markup Language (XML), Extensible Languages and XML, Object Oriented Design, .NET Framework, Java, Programming Principles, Data Access, Database Management, User Interface (UI), Algorithms, UI Components, Event-Driven Programming, Computer Graphics, Program Development
★ 4.5 (53) · Intermediate · Course · 3 - 6 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Security Controls, Malware Protection, Security Engineering, Network Security, Security Testing, Threat Detection, Firewall, Digital Forensics, Anomaly Detection, Code Review, Network Routing, Proxy Servers, Linux, Internet Of Things
★ 4.5 (174) · Beginner · Course · 1 - 4 Weeks

Board Infinity
★ 4.7 (23) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
★ 4.5 (40) · Intermediate · Specialization · 3 - 6 Months

MathWorks
Skills you'll gain: Plot (Graphics), AI literacy, Generative AI, LLM Application, Scripting, User Interface (UI) Design, Matlab, User Interface and User Experience (UI/UX) Design, No-Code Development, Data Manipulation, Data Visualization Software, Interactive Data Visualization, UI Components, Mathematical Modeling, Data Visualization, Scientific Visualization, Data Storytelling, Data Analysis, Engineering Calculations, Programming Principles
★ 4.8 (14) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Campaign Planning, Communication Planning, Campaign Management, Strategic Communication, Advertising, Marketing Communications, Resource Allocation, Media Strategy, Brand Management, Integrated Marketing Communications, Brand Strategy, Earned Media, Communication Strategies, Owned Media, Public Relations, Shared Media, Paid media, Key Performance Indicators (KPIs), Research and Design, Market Research
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Open Shortest Path First (OSPF), Computer Networking, Network Engineering, Network Planning And Design, General Networking, OSI Models, Wireless Networks, Network Routing, Virtualization and Virtual Machines, Security Controls, Network Switches, Event Monitoring, Local Area Networks, Cloud Infrastructure, Puppet (Configuration Management Tool), Wide Area Networks, IT Automation, Chef (Configuration Management Tool), Real Time Data
★ 4.7 (32) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Process Improvement and Optimization, Process Optimization, Process Improvement, Brainstorming, Process Analysis, Process Management, Quality Improvement, Continuous Improvement Process, Business Process Improvement, Problem Management, Root Cause Analysis, Ideation, Creative Problem-Solving, Innovation, Operational Efficiency, Knowledge Transfer, Collaboration, Business Technologies, Waste Minimization, Data Management
★ 4.7 (35) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Copywriting, Search Engine Optimization, Content Strategy, Content Optimization, Web Content, Web Analytics and SEO, Content Development and Management, Blogs, Content Management, Content Creation, Writing and Editing, Maintainability, Writing, Content Marketing, Editing, Driving engagement
★ 4.6 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Tuning, Memory Management, Embedded Software, Microarchitecture, Embedded Systems, System Programming, Secure Coding, System Configuration, Digital Signal Processing, Security Controls, Computer Architecture, Hardware Architecture, Authentications
★ 4.8 (23) · Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, Continuous Monitoring, Secure Coding, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Incident Response
★ 4.5 (126) · Intermediate · Specialization · 3 - 6 Months

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
★ 4.6 (15) · Intermediate · Specialization · 3 - 6 Months