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: Content Performance Analysis, Proposal Development, Web Analytics, Presentations, Marketing Materials, Finance, Project Management
Beginner · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: Data Integration, Tableau Software, Geographic Information Systems, Spatial Analysis, Data Manipulation, Data Analysis, Data Visualization Software, Data Transformation, Data Visualization, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Private Networks (VPN), Linux Servers, Ubuntu, Network Troubleshooting, Authentications, Remote Access Systems, Encryption, Network Security, Linux, Network Monitoring, Network Performance Management, Cross Platform Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Grafana, Apache Kafka, Real Time Data, Data Pipelines, Dashboard, Data Synthesis, Interactive Data Visualization, Data Visualization Software, Data Analysis
Intermediate · Project · Less Than 2 Hours
Duke University
Skills you'll gain: Data Ethics, Responsible AI, Data Visualization, Data Presentation, Data Storytelling, Ethical Standards And Conduct, Data Science, Data Collection, Data Visualization Software, Personally Identifiable Information, Information Privacy, Machine Learning, Algorithms
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Blockchain, User Interface and User Experience (UI/UX) Design, Cryptography, Secure Coding, Application Security, Web Development Tools, React Redux, Encryption, User Experience Design, Key Management, Application Design, Cryptographic Protocols, Application Development, Web Applications, Software Development Tools, Legal Technology, Vulnerability Assessments, Frontend Integration, Data Security, Interoperability
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, System Monitoring, Network Protocols, Security Controls, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Network Switches, Real Time Data, Authentications, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Web Components, Responsive Web Design, Application Deployment, Database Management, Databases, Web Design and Development, JavaScript Frameworks, Web Development Tools, Authentications, Application Development, Email Automation, Restful API, Web Design, Front-End Web Development, OpenAI API, TypeScript, Payment Systems, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Customer Retention, Customer Acquisition Management, Customer Analysis, Marketing Channel, Customer Engagement, Loyalty Programs, Customer Insights, Customer Relationship Management, Business-To-Consumer, Cross-Channel Marketing, Marketing Effectiveness, Consumer Behaviour, B2B Sales, Target Market, Operating Cost, Strategic Marketing, Business Metrics, Market Analysis
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Infographics, Data Presentation, Interactive Data Visualization, Data Visualization, Generative AI, AI Enablement, Data Storytelling, Analytics, Artificial Intelligence, Data Visualization Software, Data Analysis, Business Reporting, Real Time Data, Data Science
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Design, User Interface (UI), Workflow Management, Databases, Business Process Automation
Beginner · Course · 1 - 4 Weeks