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.

Lund University
Skills you'll gain: Radiation Therapy, electromagnetics, High Voltage, Medical Devices, Engineering, Scientific, and Technical Instruments, Electrical Engineering, Electronics, Electronics Engineering, Medical Equipment and Technology, Physics, Equipment Design, Electrical Power, Materials science, Simulation and Simulation Software, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Information Systems Security, Cybersecurity, Encryption, Proxy Servers, Information Privacy, Servers, Web Servers, Network Routing, Cloud Hosting
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Simulations, Social Sciences, Systems Thinking, Agentic systems, Social Network Analysis, Model Evaluation, Sociology, Economics, Scientific Methods, Computer Programming
Beginner · Course · 1 - 4 Weeks

Xbox
Skills you'll gain: User Story, Product Planning, User Interface (UI), Competitive Analysis, Product Roadmaps, User Interface and User Experience (UI/UX) Design, Stakeholder Management, Market Research, Product Management, Design Thinking, AI Product Strategy, Mockups, Consumer Behaviour, Usability Testing, Wireframing, Market Analysis, Stakeholder Communications, Product Lifecycle Management, Product Strategy, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Kubernetes
Intermediate · Specialization · 1 - 3 Months

University of Cape Town
Skills you'll gain: Descriptive Statistics, Data Literacy, Plot (Graphics), Statistical Analysis, Statistical Visualization, Statistical Programming, Biostatistics, Statistical Hypothesis Testing, Quantitative Research, Deep Learning, Regression Analysis, Data Manipulation, Machine Learning
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Assessments, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, System Monitoring, Patch Management, Server Side
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Content Strategy, Content Marketing, Content Performance Analysis, HubSpot CRM, Marketing Strategies, Web Content, Social Media Content, Paid media, Marketing, Digital Content, Content Creation, Target Audience, Marketing Analytics, Lead Generation, Newsletters, Digital Marketing, Customer Relationship Management, UI/UX Strategy, Marketing Automation
Beginner · Specialization · 1 - 3 Months

Exploratorium
Skills you'll gain: Developing Training Materials, Electronics, Creativity, Design Thinking, Education Software and Technology, Basic Electrical Systems, Driving engagement, Experimentation, Design, Computational Thinking, Creative Design, Construction
Beginner · Course · 1 - 3 Months
Rice University
Skills you'll gain: Portfolio Management, Asset Management, Investments, Financial Management, Financial Market, Simulation and Simulation Software, Performance Analysis, Market Trend, Risk Analysis, Financial Forecasting, Case Studies, Decision Making, Peer Review, Forecasting
Mixed · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Financial Forecasting, Financial Analysis, Financial Modeling, Analytics, Predictive Analytics, Time Series Analysis and Forecasting, Statistical Analysis, Risk Analysis, Predictive Modeling, Risk Management, R Programming, Data Transformation, Machine Learning Methods, Descriptive Analytics, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Robotics, Automation, Artificial Intelligence, Simulation and Simulation Software, Control Systems, Simulations, Algorithms, Linear Algebra, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months