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.

Packt
Skills you'll gain: Automation, Operating System Administration, Service Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Network Administration, Infrastructure Security, Ansible, Firewall, Network Infrastructure, Security Controls, Wireless Networks, Network Monitoring, Computer Networking, Identity and Access Management, Authorization (Computing), Scripting, Authentications, Automation, Encryption, Data Modeling, Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Import/Export, Data Migration, Serverless Computing, File Management, Cloud Computing, Cloud Storage, Google Cloud Platform, Database Development
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Gmail, Authorization (Computing), Google Workspace, Email Security, Data Governance, Cloud Security, Identity and Access Management, Document Management, Data Management, File Management, Enterprise Application Management, User Provisioning, Data Security, Security Assertion Markup Language (SAML), Single Sign-On (SSO), Email Marketing
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design, Front-End Web Development, Web Content Accessibility Guidelines, Bootstrap (Front-End Framework), User Interface (UI) Design, Frontend Performance, Usability, Mobile Development, Browser Compatibility, Typography, Scalability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Channel, Marketing Effectiveness, Sales Strategy, Sales Process, Facebook, Sales, Marketing, Lead Generation, Campaign Management, Marketing Analytics, Social Media Marketing, Web Analytics, Business Strategy, Analytics
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Design, Programming Principles, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Operating System Administration, Microsoft Windows, Mac OS, Command-Line Interface, Linux, Operating Systems, Software Installation, Systems Administration, System Configuration, Control Panels, General Networking, Cloud Management, File Systems, File Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Performance Tuning, Operational Databases, Database Architecture and Administration, Database Management, Patch Management, Multi-Tenant Cloud Environments, Virtual Machines, Data Maintenance, Scalability, Software Installation, Server Administration, Load Balancing, Transaction Processing, System Configuration, Application Performance Management, Disaster Recovery, Data Storage, Network Administration, Linux
Advanced · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Simulation and Simulation Software, Digital Transformation, Systems Thinking, Complex Problem Solving, Operations Research, Predictive Analytics, Data-Driven Decision-Making, Verification And Validation, Process Optimization, Data Integration, Risk Management, Python Programming, Event-Driven Programming, Probability & Statistics, Performance Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, JavaScript Frameworks, Node.JS, Event-Driven Programming, Application Programming Interface (API), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Usability, Hypertext Markup Language (HTML), Front-End Web Development, User Experience Design, Browser Compatibility, User Interface (UI), User Interface (UI) Design, Semantic Web, Javascript, Debugging, Web Applications, Web Development, Development Testing
Mixed · Course · 1 - 4 Weeks