Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

Skills you'll gain: A/B Testing, Google Analytics, Experience Design, Web Analytics, User Experience, Content Optimization, Web Content, Target Audience, Test Tools, Content Performance Analysis, Personalized Campaigns, Marketing, Analytics
★ 4.3 (111) · Beginner · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Petroleum Industry, Oil and Gas, Market Dynamics, Energy and Utilities, Operating Cost, Transportation Operations, Operations, Production Process, Manufacturing and Production, Process Engineering, Market Trend, Cost Estimation, Market Analysis, Natural Resource Management, Capital Expenditure, Resource Utilization
★ 4.8 (6.7K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Wrangling, Data Compilation, Data Collection, Web Scraping, GitHub
★ 4.7 (7.4K) · Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Data Visualization Software, File I/O, Data Visualization, Plot (Graphics), Statistical Visualization, Package and Software Management, Python Programming, Data Cleansing, Programming Principles, Data Processing, Data Persistence, Data Mapping, Data Manipulation, Code Reusability, Software Installation, Development Environment, Data Access, Computational Logic, Data Wrangling, Data Analysis
★ 4.7 (4.4K) · Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Typography, Graphic Design, Graphic and Visual Design, Layout Design, Design, Art History, Visual Design, Information Architecture, Design Elements And Principles, Design Strategies, Design Research, Peer Review, Creativity
★ 4.8 (5.8K) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Wrangling, Data Processing, Data Integration, Data Preprocessing, Data Transformation, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, R (Software), MySQL, File Management, SQL, Application Programming Interface (API)
★ 4.5 (8.1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Email Security, Public Key Infrastructure, Encryption, Network Security, Cryptography, IT Security Architecture, Cybersecurity, Endpoint Detection and Response, Hardening, Data Security, Cyber Threat Hunting, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Authorization (Computing), Cyber Attacks, Information Technology, Computer Security Incident Management, Cyber Security Strategy, Technical Support and Services
★ 4.8 (3.2K) · Beginner · Specialization · 3 - 6 Months

Universidad ORT Uruguay
Skills you'll gain: Code Reusability, Video Game Development, Software Engineering, Program Development, Programming Principles, Game Design, Software Testing, Software Development, Event-Driven Programming, Computer Programming, Computational Thinking
★ 4.8 (2.7K) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Java, Unit Testing, Android (Operating System), Version Control, Java Programming, Maintainability, Software Design Patterns, Object Oriented Design, Object Oriented Programming (OOP), Test Automation, File I/O, Integration Testing, Test Driven Development (TDD), Mobile Development, Development Testing, Software Testing
★ 4.5 (3.7K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Gemini, Generative AI, Artificial Intelligence, Google Workspace, AI Personalization
★ 4.8 (3.1K) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Client Services, Loyalty Programs, Customer Retention, Relationship Management, Customer and Client Support, E-Commerce, Brand Loyalty, Customer Relationship Management, Customer Service, Customer Relationship Building, Customer Engagement, Web Analytics, Digital Marketing, Product Improvement, Customer Analysis, Digital Analysis, Digital Marketing Tools, Performance Analysis, Portfolio Management, Presentations
★ 4.8 (6.1K) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Matplotlib, Data Visualization, Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Statistical Visualization, Data Presentation, Data Literacy, Graphing, Graphic and Visual Design, Data Manipulation, Python Programming
★ 4.5 (6.3K) · Intermediate · Course · 1 - 4 Weeks