Mobile app development courses can help you learn programming languages like Java and Swift, user interface design principles, and app testing strategies. You can build skills in integrating APIs, optimizing performance, and ensuring security in mobile applications. Many courses introduce tools such as Android Studio and Xcode, that support building and deploying apps on various platforms, along with frameworks like React Native that facilitate cross-platform development.

Skills you'll gain: Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Development Tools, Web Design, Development Environment, Web Design and Development, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Web Content, Semantic Web, Integrated Development Environments, Typography
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Software Design Patterns, Middleware
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Unit Testing, Test Case, Test Driven Development (TDD), Debugging, Software Testing, Development Testing, Test Automation, Test Tools, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Javascript, Ajax, JavaScript Frameworks, Web Development Tools, Software Testing, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Web Servers, Data Validation, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Full-Stack Web Development, Node.JS, Server Side, Restful API, JavaScript Frameworks, Web Development, Web Applications, Web Servers, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Pinterest, Professional Networking, Organizational Skills, User Accounts, Content Development and Management, Social Media, Collaboration, Project Portfolio Management, Driving engagement, Resourcefulness, Research
Beginner · Guided Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: IT Service Management, Information Technology Infrastructure Library, Service Management, Service Design, Service Level, DevOps, Agile Methodology, Innovation, Supplier Management, Continuous Improvement Process, Governance, Customer experience improvement
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Marketing Planning, Customer Engagement, Strategic Marketing, Marketing Management, Marketing Effectiveness, Marketing Strategies, Marketing, Market Research, Market Analysis, Market Dynamics, Brand Management, Customer experience strategy (CX), Key Performance Indicators (KPIs), Performance Measurement
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Analysis, Matplotlib, Regression Analysis, Statistical Modeling, Data Science, Data Analysis, Data Visualization, Pandas (Python Package), Anomaly Detection, Time Series Analysis and Forecasting, Data Visualization Software, Data Collection, Data Manipulation, Application Programming Interface (API)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Cloud Security, Network Security, Network Architecture, Data Security, Application Security, Cloud Computing, Operating Systems, Linux, Firewall, Distributed Denial-Of-Service (DDoS) Attacks, Encryption
Beginner · Course · 1 - 3 Months

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

Google Cloud
Skills you'll gain: Identity and Access Management, SQL, Data Import/Export, Data Integration, Google Cloud Platform, Data Warehousing, Database Design, Data Processing, Data Architecture, Cloud Computing Architecture, Real Time Data
Intermediate · Course · 1 - 3 Months