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.

Logical Operations
Skills you'll gain: Project Schedules, Work Breakdown Structure, Cost Estimation, Cost Management, Project Scoping, Scheduling, Budgeting, Project Planning, Timelines, Resource Management, Resource Allocation, Project Management, Time Management, Agile Project Management, Microsoft Excel, Microsoft Word, Microsoft Office, Team Leadership, Leadership, Leadership Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Technical Documentation, Brute-force attacks, Information Systems Security, Cybersecurity, Virtual Machines, Virtual Environment, Network Analysis
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Performance Management, Software-Defined Networking, Network Administration, Network Routing, Wide Area Networks, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Network Planning And Design, Network Troubleshooting, Network Security, Cyber Security Assessment, Vulnerability Scanning, Continuous Monitoring, Security Management, Patch Management, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Model Deployment, Data Preprocessing, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agile Methodology, Scrum (Software Development), Agile Project Management, Sprint Retrospectives, Sprint Planning, Case Studies, Performance Improvement, Performance Analysis, Product Development, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), User Interface (UI), Data Visualization Software, Interactive Data Visualization, Application Deployment, Web Applications, Front-End Web Development, Data Analysis, Back-End Web Development, Spatial Data Analysis, Web Development, Full-Stack Web Development, Python Programming, Application Development, Development Environment
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Performance Analysis, Web Analytics and SEO, Search Engine Optimization, Keyword Research, Web Analytics, Marketing Analytics, Digital Marketing, Web Content, Semantic Web, Content Management Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Code Review, Database Design, SQL, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Marketing Budgets, Marketing Effectiveness, Marketing Planning, Brand Management, Campaign Management, Competitive Analysis, Market Analysis, Brand Awareness, Marketing Strategy and Techniques, Marketing Analytics, Brand Loyalty, Customer experience strategy (CX), Performance Measurement, Digital Marketing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Big Data, Database Design, Extensible Markup Language (XML), Databases, Apache Hadoop, Analytics, Social Media, Data Processing, Social Media Content, Data Management, Data Analysis, Data Integration, Data Transformation
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Education Software and Technology, Mathematics Education, Simulations, Collaborative Software
Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Testing, Vector Databases, Performance Tuning, Query Languages, SQL, Application Performance Management, Benchmarking, System Monitoring, Secure Coding
Intermediate · Course · 1 - 4 Weeks