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.

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
★ 4.5 (1.2K) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Performance Testing, Maintainability, Software Testing, Code Review, Software Technical Review, Security Testing, Performance Stress Testing, Software Quality Assurance, Application Security, Test Tools, Browser Compatibility
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Interactive Data Visualization, Google Gemini, Analytics, Business Analytics, Data Wrangling, AI Personalization, Artificial Intelligence, Model Evaluation, Performance Analysis, AI Enablement, AI literacy, AI Workflows, Generative AI, Simulation and Simulation Software, Productivity Software, Google Workspace, Responsible AI
★ 4.7 (687) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Data Storytelling, Microsoft Excel, Dashboard Creation, Dashboard, Pivot Tables And Charts, Power BI, Data-Driven Decision-Making, Microsoft Copilot, Spreadsheet Software, Extract, Transform, Load, Data Presentation, Data Visualization Software, Generative AI, Data Visualization, Data Analysis, Interactive Data Visualization, Business Intelligence, Data Collection, Business Metrics
★ 4.5 (846) · Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Technical Communication, Cloud Infrastructure, Cloud Deployment, Cloud Technologies, Cloud Services, Cloud Hosting, CI/CD, Cloud Computing, Azure DevOps Pipelines, Agile Software Development, DevOps, Cloud Solutions, Technical Documentation, Infrastructure As A Service (IaaS), Cloud Platforms, Continuous Delivery, Continuous Deployment, Technical Writing, Infrastructure as Code (IaC), GitHub
★ 4.9 (1K) · Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Ancient History, Architectural Design, Social Studies, Architecture and Construction, World History, Physical Science, General Science and Research, Engineering, Scientific, and Technical Instruments, Scientific Methods, Simulation and Simulation Software
★ 4.5 (1.5K) · Beginner · Course · 1 - 3 Months
Rice University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Inference, Business Analytics, Microsoft Excel, Model Evaluation, Estimation, Data Analysis, Analytics, Data Transformation
★ 4.8 (1.4K) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Code Reusability, Object Oriented Programming (OOP), Network Routing, Application Design, Application Development
★ 4.8 (1.2K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Simulations, Security Testing, Cyber Attacks, Security Controls, Vulnerability Management, Incident Response
★ 4.8 (1.3K) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Hydraulics, Pump Stations, Mechanical Engineering, Schematic Diagrams, Simulation and Simulation Software, Engineering, Simulations, Mechanical Design, Engineering Analysis, Control Systems, Engineering Calculations, Mathematical Modeling
★ 4.8 (1.5K) · Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Software Design, Programming Principles, Program Development, Software Documentation, Data Structures, Computational Logic, Memory Management
★ 4.1 (942) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Professionalism, Payment Processing and Collection, Care Management, Patient Communication, Medical Coding, Patient-centered Care, Healthcare Ethics, Medicare, Professional Development, Interpersonal Communications, Empathy, Teamwork, Ethical Standards And Conduct, Cultural Responsiveness, Interoperability, Data Integrity, Emotional Intelligence, Communication, Conflict Management, Time Management
★ 4.8 (998) · Beginner · Specialization · 3 - 6 Months