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 Boulder
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Technologies, Operations Management, Sustainable Systems, Manufacturing Operations, Sustainability Standards, Corporate Sustainability, Strategic Leadership, Business Leadership, Operational Efficiency, Climate Change Mitigation, Organizational Leadership, Product Design, Waste Minimization, Process Design, Digital Transformation, Emerging Technologies
★ 4.5 (31) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, Database Development, Microsoft SQL Servers, SQL, Database Systems, Database Management, Database Software, Databases, Query Languages, Database Management Systems, Requirements Analysis, Frontend Integration
★ 4.1 (27) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Instagram, Keyword Research, LinkedIn, Blogs, Lead Generation, Web Analytics and SEO, Events and Conferences, Copywriting, Content Optimization, Professional Networking, No-Code Development, Video Production, Web Analytics, Sales Presentations, Social Media Content, Promotional Materials, Social Media Marketing, Growth Strategies, Search Engine Optimization, Google Ads
★ 5 (12) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Security Incident Management, Vulnerability Assessments, Cyber Operations, Cybersecurity, Cyber Threat Intelligence, Cyber Attacks, Cyber Security Strategy, IT Security Architecture, MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Cyber Security Assessment, Network Security, Security Information and Event Management (SIEM), DevSecOps, Malware Protection, Security Management, Cloud Security, Encryption, Authentications
★ 4.4 (26) · Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Devops Tools, Linux Servers, grep, Linux Commands, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
★ 4.6 (31) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Traffic Flow Optimization, Construction Inspection, Building Codes, Construction Engineering, Construction, Construction Management, Civil Engineering, Stormwater Management, General Construction and Construction Labor, Structural Engineering, Hydrology, Hydraulics, Grading (Landscape), Public Works, Design Specifications, Structural Analysis, Materials science, Engineering Plans And Specifications, Engineering Practices, Drafting and Engineering Design
★ 4.6 (31) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Java Programming, Java, Technical Documentation, Computer Programming, Programming Principles, Code Reusability, Computer Science
★ 4.2 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Improvement, Performance Measurement, Performance Metric, Workflow Management, Process Improvement and Optimization, Business Process Improvement, Performance Improvement, Business Process, Process Optimization, Process Management, Process Analysis, Business Process Management, Continuous Improvement Process, Service Improvement, Key Performance Indicators (KPIs), Business Process Automation, Operational Efficiency, Automation, Organizational Skills
★ 4.2 (45) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Proposal Development, Proposal Writing, Technical Writing, Stakeholder Analysis, Technical Communication, Concision, Business Writing, Report Writing, Persuasive Communication, Stakeholder Communications, Writing, Technical Documentation, Engineering Management, Writing and Editing, Stakeholder Engagement, Management Reporting, Business Correspondence, Business Communication, Strategic Communication
★ 4.6 (23) · Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
★ 4.6 (26) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Ansible, Software Installation, File Management, IT Automation, YAML, System Configuration, DevOps
★ 4.4 (26) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Flutter (Software), Mobile Development, UI Components, Cross Platform Development, Maintainability, Microsoft Visual Studio, Development Environment, Application Development, Integrated Development Environments, Programming Principles, User Interface (UI), Computer Programming, Software Installation
★ 4.5 (25) · Beginner · Course · 1 - 3 Months