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 Security, Data Governance, Data Architecture, Data Quality, Personally Identifiable Information, Incident Response, Security Controls, Information Privacy, Threat Detection, Law, Regulation, and Compliance, Risk Management, Cybersecurity, Compliance Management, Encryption, Data Integrity
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Computer Programming Tools, Algorithms, Programming Principles, Computational Thinking, Digital pedagogy, Program Development, Technical Communication, Computer Programming, Education Software and Technology, Event-Driven Programming, Code Review, Diversity Equity and Inclusion Initiatives, Computer Science, Software Documentation, Brainstorming, Data Structures, Student Engagement, Visualization (Computer Graphics), Game Design
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Tableau Software, Dashboard, LinkedIn, Professional Networking, Data Visualization Software, Looker (Software), Technical Communication, Power BI, Stakeholder Engagement, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales Pipelines, Closing (Sales), Customer Retention, Sales Process, Lead Generation, Prospecting and Qualification, Customer Relationship Management, Sales Strategy, Customer Relationship Management (CRM) Software, Sales, Sales Management, Customer Engagement
Beginner · Course · 1 - 4 Weeks
Vanderbilt University
Skills you'll gain: AI Enablement, Agentic systems, Workforce Management, Scalability, Workforce Planning, Solution Design
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: TCP/IP, Network Administration, Virtual Local Area Network (VLAN), Network Routers, Network Routing, General Networking, Ansible, Puppet (Configuration Management Tool), Software-Defined Networking, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Security Awareness, Networking Hardware, Network Protocols, Chef (Configuration Management Tool), Network Troubleshooting
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Autodesk, Design Software, Visualization (Computer Graphics), Computer Graphics, Editing, Virtual Environment, Simulations
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Docker (Software), Containerization, Cloud-Native Computing, Application Deployment, YAML, Devops Tools, Command-Line Interface, Google Cloud Platform, Web Applications, Cloud Deployment, Data Persistence, Development Environment, Configuration Management, Virtual Networking, Nginx, CI/CD, MongoDB, Service Management, Infrastructure Security
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Marketing Collateral, Design, Marketing Materials, Creative Design, Graphic Design, Dashboard, Digital Design, Productivity, Color Theory, Digital Content, Organizational Skills, Design Elements And Principles, Planning, Editing
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Virtual Networking, Network Troubleshooting, Linux, Kubernetes, Network Architecture, Network Administration, Computer Networking, Docker (Software), TCP/IP, Network Routing, Containerization, Network Switches, Firewall, Network Protocols
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, SQL, Data Visualization Software, Database Design, AWS SageMaker, Unsupervised Learning, Data Visualization, Interactive Data Visualization, Dashboard, Feature Engineering, Database Management, Exploratory Data Analysis, A/B Testing, Tableau Software, Pandas (Python Package), Matplotlib, Python Programming, Data Analysis, Machine Learning
Beginner · Professional Certificate · 3 - 6 Months