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: File Systems, Linux, Linux Commands, File Management, Linux Administration, Operating Systems, Unix, Command-Line Interface, Authorization (Computing), Data Storage
★ 4.7 (20) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Pseudocode, Computational Thinking, Debugging, Algorithms, Programming Principles, Web Development Tools, Computational Logic, Front-End Web Development, Solution Design, Javascript, Computer Programming, Data Structures, Web Development, Technical Communication
★ 4.6 (36) · Intermediate · Course · 1 - 4 Weeks

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: Marketing Automation, Campaign Planning, Marketing Planning, AI Enablement, Marketing Strategies, Marketing, Campaign Management, MarTech, ChatGPT, Database Management, Databases, Automation, Project Planning, Artificial Intelligence
★ 4.8 (22) · Beginner · Guided Project · Less Than 2 Hours

Xi'an Jiaotong University
Skills you'll gain: Program Development, Operating Systems, Computer Systems, Debugging, Microsoft Visual Studio, OS Process Management, Hardware Architecture, Computer Hardware, C# (Programming Language), Computer Architecture, Object Oriented Programming (OOP), Programming Principles, Memory Management, Systems Design, Integrated Development Environments, Systems Architecture, Computational Logic, Computer Programming
★ 3.9 (40) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: AI Security, Security Information and Event Management (SIEM), DevSecOps, Role-Based Access Control (RBAC), Responsible AI, Data Security, Security Strategy, Cloud Deployment, Vulnerability Management, Vulnerability Scanning, Security Management, Continuous Monitoring, Cybersecurity, Cloud Security, Vulnerability Assessments, Threat Modeling, Threat Detection, Incident Response, Security Software, Operations
★ 4.3 (26) · Intermediate · Specialization · 3 - 6 Months

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Financial Market, Petroleum Industry, Sustainability Standards, Market Trend, Market Analysis, Investments, Corporate Sustainability, Governance, Sustainable Business, Governance Risk Management and Compliance, Market Dynamics, Environmental Issue, Oil and Gas, Portfolio Risk, Portfolio Management, Sustainability Reporting, Credit Risk, Business Transformation
★ 4.7 (25) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, Exploitation techniques, Web Applications, Javascript, Web Development, Node.JS, Java Programming
★ 4.6 (37) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Social Media Analytics, Data Visualization, Graph Theory, Relational Databases, Data Presentation, Data Visualization Software, R (Software), Infographics, Data Analysis, Network Model, Database Theory, Query Languages, Social Sciences, Statistical Analysis, Machine Learning, Machine Learning Methods, R Programming, Data Manipulation
★ 4.4 (22) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Business Workflow Analysis, Workflow Management, Process Analysis, Microsoft Copilot, AI Workflows, Business Process Automation, Process Optimization, Automation, Application Lifecycle Management, Business Process Management, Cloud-Based Integration, Document Management, Event-Driven Programming
★ 3 (18) · Intermediate · 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
★ 4.2 (28) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Program Management, Project Management, Project Management Life Cycle, Project Management Institute (PMI) Methodology, Benefits Administration, Organizational Strategy, Governance, Stakeholder Engagement
★ 4.8 (29) · Intermediate · Course · 1 - 4 Weeks