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.

LearnKartS
Skills you'll gain: Kubernetes, Application Deployment, Cloud-Native Computing, Scalability, Release Management, Data Persistence, DevOps, Containerization, Devops Tools, Application Lifecycle Management, Configuration Management, Performance Tuning, Security Controls, Data Storage, Memory Management
★ 4.1 (20) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Team Oriented, Collaborative Software, Data Visualization, Visual Storytelling, Brainstorming, Diagram Design, Interactive Design, Communication Planning, Multimedia, Design Elements And Principles, Digital Publishing
★ 4.7 (26) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Language, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
★ 4.2 (14) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Automation, Scripting, Google Workspace, Gmail, Web Development Tools, Javascript, Scripting Languages, Google Cloud Platform, Spreadsheet Software, Web Development, Computer Programming
★ 4.1 (18) · Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Responsible AI, Database Management, Back-End Web Development, Generative AI, Performance Tuning, Database Development, API Design, Application Programming Interface (API), AI Integrations, Databases, AI literacy, Artificial Intelligence, Risk Management
★ 4.5 (23) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Engineering, Scientific, and Technical Instruments, Analytical Chemistry, Materials science, Image Analysis, Laboratory Equipment, Laboratory Research, Quantitative Research, Scientific Visualization, Qualitative Research
★ 4.8 (18) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Inventory and Warehousing, Database Design, Data-Driven Decision-Making, Analytics, Cloud Storage, Dashboard, Spreadsheet Software, Dashboard Creation, Data Management
★ 4.8 (16) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Kinesiology, Human Factors, Exercise Science, Human Factors Engineering, Control Systems, Sports Medicine, Human Musculoskeletal System, Sensory Systems Analysis, Industrial Design, Engineering, Scientific, and Technical Instruments, Mechanics, Occupational Health, Human Centered Design, Product Design, Injury Prevention, Rehabilitation
★ 4.7 (19) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
★ 4.8 (16) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adobe Illustrator, Logo Design, Graphic Design, Creative Design, Graphics Software, Graphical Tools, Adobe Creative Cloud, Graphic and Visual Design, Style Guides, Project Design, Design, Digital Design, Design Software, Typography, File Management, Design Elements And Principles, Design Specifications, Color Theory
★ 3.9 (14) · Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Dashboard Creation, Data Visualization, Interactive Data Visualization, Data Transformation, Data Presentation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Data Analysis
★ 3.8 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Memory Management, Operating Systems, C++ (Programming Language), C (Programming Language), System Configuration, Hardware Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Computing Platforms, Program Development, Application Development
★ 5 (71) · Beginner · Course · 1 - 4 Weeks