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: Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Front-End Web Development, Web Development, Web Applications
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Value Propositions, Social Media Marketing, Social Media Strategy, Strategic Planning, Search Engine Optimization, Competitive Analysis, Business Modeling, Web Analytics and SEO, Business Strategy, Paid media, Content Marketing, Market Analysis, Marketing Strategy and Techniques, Email Marketing, Digital Marketing, Google Ads, Innovation, Product Development, Video Production
Build toward a degree
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Integrated Development Environments, Build Tools, Software Development Tools, Version Control, Git (Version Control System), Development Environment, Computer Graphics, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Relational Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Object Oriented Design, Debugging, Software Design, User Interface (UI), Integrated Development Environments, Java, Design Thinking, Program Development, Data Validation, Software Development, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Analytics, Google Analytics, Campaign Management, Generative AI, Responsible AI, Customer Analysis, Marketing Automation, Performance Analysis, Social Media Campaigns, Customer Insights, AI Personalization, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Data Literacy, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Google Sheets, Graphing, Data Presentation, Spreadsheet Software, Scatter Plots, Pivot Tables And Charts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Office, Mathematics Education, Education Software and Technology, Arithmetic, Numerical Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Risk Management, Secure Coding, Cyber Security Assessment, Security Testing, Cyber Governance, Risk Management Framework, Threat Management, Software Development Life Cycle, Application Security, Cyber Security Policies, Threat Detection, Security Management, Security Controls, Systems Development, Security Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Interactive Data Visualization, Tableau Software, Data Visualization Software, Exploratory Data Analysis, SQL, Data Analysis, Data Transformation, Data Manipulation
Advanced · Course · 1 - 3 Months