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.

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Theoretical Computer Science, Performance Tuning
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Software Installation, Application Development, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Usability, Information Architecture, Responsive Web Design, Hypertext Markup Language (HTML), Front-End Web Development, MySQL, Web Design and Development, User Experience Design, Browser Compatibility, User Interface (UI), HTML and CSS, Verification And Validation, User Interface (UI) Design, Server Side, Semantic Web, Back-End Web Development, Javascript
Beginner · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Object Oriented Programming (OOP), Web Scraping, Data Structures, Test Driven Development (TDD), Computer Programming, Python Programming, Scripting Languages, User Interface (UI), Open Source Technology, Database Development, Program Development, File I/O, Data Persistence, Software Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Payroll Processing, Accounting Software, Financial Reporting, Payroll, Business Reporting, Accounting, General Accounting, Ledgers (Accounting), Tax Management, Workflow Management, Vendor Management, Accounts Payable, Small Business Accounting, Accounts Receivable, Reconciliation, Inventory and Warehousing, Tax Compliance, Inventory Management System, System Configuration, Billing & Invoicing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Visual Basic (Programming Language), Data Structures, Scripting, Programming Principles, Automation, Scripting Languages, Microsoft Development Tools, Computational Logic
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kanban Principles, Workflow Management, Agile Software Development, Sprint Planning, Agile Project Management, Project Estimation, Agile Methodology, Project Management Software, Estimation, Process Optimization, Backlogs, User Story, Process Improvement, Resource Utilization
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Firewall, Ubuntu, Network Monitoring, TCP/IP, Data Storage, Network Protocols, Network Troubleshooting, Unix, General Networking, Linux, Command-Line Interface, Data Storage Technologies, System Configuration, Network Security, File Management, Shell Script, Computer Hardware, Disaster Recovery
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Animations, Visualization (Computer Graphics), 3D Assets, Software Design Patterns, Video Game Development, Object Oriented Programming (OOP), Data-oriented programming, Game Design, Scalability, Virtual Environment, Software Development Tools, Virtual Reality, Computer Graphics, Performance Tuning, Data Validation, Real Time Data, Computer Graphic Techniques, Scripting, C# (Programming Language)
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Health Equity, Team Management, Record Keeping, Collaborative Software, Technical Management, Clinical Informatics, Informatics, Healthcare Project Management, Health Informatics, Clinical Research, Diversity Awareness, Diversity Equity and Inclusion Initiatives, Clinical Trials, GitHub, Git (Version Control System), Docker (Software)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Management, Incident Management, Remote Access Systems, Incident Response, Security Management, Computer Security Incident Management, Data Security, Vulnerability Assessments, Law, Regulation, and Compliance, Threat Detection, Cybersecurity, Security Controls, Security Requirements Analysis, Continuous Monitoring, Cyber Security Assessment, Security Software, Vulnerability Management, Security Strategy, Telecommuting, Infrastructure Security
Beginner · Specialization · 1 - 3 Months