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.

Cisco Learning and Certifications
Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Event Monitoring, Security Information and Event Management (SIEM), Continuous Monitoring, Incident Response, Security Management, Malware Protection, Network Security, System Monitoring, Network Analysis, Network Monitoring
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Java, Teaching, Programming Principles, Computer Programming, Integrated Development Environments, Digital pedagogy
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Predictive Analytics, Predictive Modeling, Model Evaluation, R Programming, Preventative Care, Health Informatics, Statistical Modeling, Sample Size Determination, Statistical Inference, Regression Analysis, Precision Medicine, Supervised Learning, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, AI Workflows, Agentic Workflows, AI Enablement, Retrieval-Augmented Generation, Embeddings, Program Development, Model Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HubSpot CRM, Customer Relationship Management (CRM) Software, Customer Relationship Management, Gmail, Help Desk Support, Marketing, Sales Support, Client Support
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Graphic and Visual Design, Design, Graphic Design, Digital Design, Typography, Layout Design, Design Elements And Principles, Photo Editing, File Management, Color Theory
Mixed · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Network Security, Vulnerability Scanning, Wireless Networks, Cybersecurity, Exploitation techniques, Linux, Command-Line Interface, Network Analysis, Encryption, Virtual Private Networks (VPN), System Configuration, Software Installation, File Management, Virtual Machines
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Gemini, Productivity Software, Google Workspace, Workflow Management, Google Sheets, Google Docs, Prompt Engineering, Generative AI, AI Enablement, Issue Tracking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media, Multimedia, Marketing Design, Content Creation, Graphic and Visual Design, Animations, Editing, Marketing, Presentations
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Authentications, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Browser Compatibility
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Experimentation, Research Design, Statistical Analysis, Data Ethics, Statistical Modeling, Data Science, A/B Testing, Data Analysis, Quantitative Research, Regression Analysis, Statistical Inference, Probability & Statistics, Sample Size Determination, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks