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.

Dartmouth College
Skills you'll gain: File I/O, Embedded Software, C and C++, C (Programming Language), Linux, Embedded Systems, System Programming, Build Tools, Linux Commands, Command-Line Interface, Program Development, Computer Programming Tools, Code Reusability, Software Installation, Development Environment, Application Development, Make.com, Computer Programming, File Management, Dependency Analysis
★ 4.7 (33) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Security Assessment, Security Testing, Vulnerability Assessments, Penetration Testing, Vulnerability Management, Security Controls
★ 4.9 (9) · 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, Compensation Strategy, Compensation Management, Compensation and Benefits, Sales, Cost Control, Compensation Analysis, Tax Management, Performance Metric, Goal Setting
★ 4.4 (38) · Mixed · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Sustainable Design, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Business, Sustainability Reporting, Sustainable Technologies, Sustainable Development, Supply Management, Sustainability Standards, Business Ethics, Sustainable Systems, Operations Management, Supply Chain Management, Supply Chain Planning, Supply Chain, Manufacturing Operations, Strategic Sourcing, Supply Chain Systems, Procurement, Product Design
★ 4.7 (38) · Beginner · Specialization · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Prototyping, Interactive Design, Usability, Music, Interaction Design, Multimedia, Design, Musical Composition, Music Theory, Design Elements And Principles, Design Research, Usability Testing, Conceptual Design, Design Strategies, Human Centered Design, User Research, Ideation, Simulations
★ 4 (27) · Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Web Analytics, Search Engine Marketing, Digital Analysis, Marketing Analytics, Digital Marketing Campaigns, Market Research, Digital Marketing, Data-Driven Marketing, Customer Analysis, Search Engine Optimization, Analytical Skills, Online Advertising, Email Marketing, Customer Data Management, Marketing Effectiveness, Market Intelligence, Customer Insights, Consumer Behaviour, Customer Relationship Management (CRM) Software, Digital Advertising
★ 4.9 (36) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Dataflow, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Data Pipelines, Software Design Patterns, Software Design, Functional Design, Cloud Computing
★ 3.9 (31) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Secure Coding, Identity and Access Management, Web Applications, Authorization (Computing), Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Data Integrity, Server Side, Security Strategy, Package and Software Management, Patch Management
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, Swift Programming, Mobile Development, Objective-C (Programming Language), Mobile Development Tools, User Interface (UI), Application Development, User Interface (UI) Design, UI Components, Development Environment, Integrated Development Environments, Simulations, Storyboarding
★ 4.7 (34) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Model Evaluation, Machine Learning Methods, Predictive Analytics, Feature Engineering, Classification And Regression Tree (CART), Machine Learning Algorithms, Predictive Modeling, Machine Learning Software, Analytics, Decision Tree Learning, Machine Learning, Logistic Regression, Data Analysis, Data Analysis Software, Classification Algorithms, Python Programming
★ 4.7 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Office, Document Management, Collaborative Software
★ 4.3 (29) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Network Analysis, Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Data Cleansing, Databases, Social Media Analytics, Text Mining, Social Sciences, Applied Machine Learning, Data Preprocessing, Data Collection, Simulations, IBM Cloud, Agentic systems
★ 4.7 (41) · Intermediate · Course · 1 - 4 Weeks