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.

University of Colorado System
Skills you'll gain: Computational Thinking, C (Programming Language), Programming Principles, Computer Programming, Code Reusability, Data Storage
★ 4.6 (37) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Predictive Modeling, Data Pipelines, R (Software), Data-Driven Decision-Making, Analytics, Data Science, Data Processing, Machine Learning Software, Feature Engineering, Data Preprocessing, Statistical Machine Learning, Machine Learning Methods, Machine Learning, Model Training, Telemarketing, Model Deployment, Model Optimization
★ 4.9 (53) · Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Business Reporting, Data Cleansing, Data Visualization, Data Management, Data Maintenance, Auditing, Analytics, Data Validation, Data Integrity
★ 4.3 (36) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Applied Mathematics, Mathematical Modeling, Matlab, High Voltage, Three-Phase, Electrical Engineering, electromagnetics, Simulation and Simulation Software, Electric Power Systems, Engineering Calculations, Electrical Power, Mathematical Software, Environmental Science, Environmental Engineering, Design, Basic Electrical Systems
★ 4.6 (45) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Marketing Effectiveness, Marketing Analytics, Campaign Planning, Campaign Management, Market Analysis, Marketing Strategies, Performance Reporting, Return On Investment, Data-Driven Marketing, Performance Measurement, Data Visualization Software, Data Ethics, Marketing Channel, Smart Goals, Key Performance Indicators (KPIs), Growth Strategies, Data Access, Data Quality
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Logo Design, Video Editing, Graphic and Visual Design Software, Graphic Design, Graphic and Visual Design, Graphics Software, Content Creation, Marketing Design, Marketing Materials, User Accounts, Digital Marketing
★ 4.5 (44) · Beginner · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Cloud-Native Computing, Memory Management, Grafana, Web Applications, Program Development, Software Architecture, Development Environment, Programming Principles, Computer Programming, Other Programming Languages, Network Security, Communication Systems, Data Sharing
★ 2.9 (46) · Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, Anthropic Claude, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
★ 4.4 (11) · Intermediate · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Musical Composition, Post-Production, Music, Media Production, Video Editing, Music Performance, Editing, Automation, Electronic Media
★ 4.6 (16) · Intermediate · Course · 1 - 4 Weeks

West Virginia University
Skills you'll gain: Expense Management, Sales Management, Expense Reports, Sales Territory Management, Operating Expense, Transportation Management, Operating Cost, Compensation Strategy, Travel Arrangements, Regional Sales, Compensation Management, Compensation and Benefits, Sales, Cost Control, Compensation Analysis, Tax Management, Tax Compliance, Performance Metric, Goal Setting
★ 4.4 (38) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Development, Continuous Deployment, Development Environment, Application Deployment, Cloud Applications, Cloud Deployment, Docker (Software), Containerization, Microsoft Development Tools, Cloud Hosting, ASP.NET, Platform As A Service (PaaS), Software Development, Scalability, Microsoft Visual Studio, Web Applications, Integrated Development Environments
★ 4.7 (35) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Histogram, Generative AI, Model Evaluation, Data Literacy, Data Visualization, AI literacy, Data Collection, Statistical Hypothesis Testing, Scientific Methods, Descriptive Statistics, Statistics, Data Analysis, Statistical Reporting, Data Ethics, Experimentation, Science and Research, Data Science, Data-Driven Decision-Making, Research Design, Artificial Intelligence
★ 4.7 (60) · Beginner · Specialization · 1 - 3 Months