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: Plot (Graphics), Data Visualization, Graphing, Matplotlib, Data Visualization Software, Statistical Visualization, Graphical Tools, Data Analysis Software, Data Analysis, Python Programming
★ 4.8 (48) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Software Engineering, Java, Java Programming, Unit Testing, Software Design, Test Driven Development (TDD), Diagram Design
★ 4.1 (15) · Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Virtual Networking, Microsoft Azure, Network Troubleshooting, Virtual Private Networks (VPN), Network Architecture, Load Balancing, Network Administration, Virtual Machines, Security Controls, Network Security, Network Monitoring, Scalability, Hybrid Cloud Computing, Distributed Denial-Of-Service (DDoS) Attacks
★ 4.1 (22) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Building Information Modeling, Construction Management, Construction, Autodesk Revit, Construction Estimating, Facility Management and Maintenance, Emerging Technologies, As-Built Drawings, Facility Management, Collaborative Software, Cloud Computing, Cost Estimation, 3D Modeling, Document Management, Data Sharing, Visualization (Computer Graphics), Internet Of Things
★ 4.7 (33) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Music Theory, Musical Composition, Music, Instrumental Music, Post-Production, Media Production, Music Performance, Creativity, Aesthetics, Oral Expression, Peer Review, Digital Publishing, System Configuration
★ 4.4 (12) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Electocardiography, Cardiac Dysrhythmia, Cardiac Surgery, Chronic Diseases, Hemodynamics, Patient Education And Counseling, Cardiology, Medical Surgical Nursing, Care Management, Cardiac Stress Testing, Patient Observation, Nursing, Patient Evaluation, Life Support, Electrophysiology, Care Coordination, Patient Education and Support, Anatomy, Physiology, Clinical Nursing
★ 5 (23) · Intermediate · Specialization · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Claude Code, Anthropic Claude, Vibe coding, Generative AI Agents, Prompt Patterns, Tool Calling, Integrated Development Environments, Agentic Workflows, Software Development Tools, Code Review, AI Workflows, Software Development, GitHub, AI Personalization, Application Deployment, Generative AI, Software Engineering, Artificial Intelligence, Web Development, Front-End Web Development
★ 4.4 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Software, Software Installation, Virtual Machines
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Application, Project Schedules, Milestones (Project Management), Database Software, Calendar Management, Databases, Relational Databases, Project Management, Content Management Systems, Client Support, Process Management, Project Documentation, Document Management, Process Improvement and Optimization, User Accounts
★ 4.1 (18) · Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Construction Engineering, Geospatial Mapping, Geospatial Information and Technology, Geographic Information Systems, Spatial Data Analysis, Construction, Construction Management, Visualization (Computer Graphics), Spatial Analysis, Global Positioning Systems, GIS Software, Scientific Visualization, Engineering, Scientific, and Technical Instruments, 3D Modeling
★ 4.8 (22) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Real Time Data, Digital Transformation, Cloud Management, Cloud Solutions, Serverless Computing, Google Cloud Platform, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Cloud Platforms, Data Security, Application Programming Interface (API), Looker (Software), Cloud Deployment, Public Cloud, Model Training, IT Security Architecture, Business Intelligence, Cloud Services, Cloud Computing
★ 4.8 (45) · Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: React.js, Routing Protocols, Code Reusability, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, Authentications, Data Management
★ 4.8 (35) · Advanced · Course · 1 - 3 Months