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: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
★ 4.5 (103) · Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, Mobile Development, GitHub, Git (Version Control System), UI/UX Strategy, Version Control, User Experience Design, User Interface (UI) Design, Wireframing, UI Components, React.js, User Flows, Data Store, Data Access, Development Environment, Data Persistence, SQL
★ 4.8 (47) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Education Software and Technology, Mathematics Education
★ 4.7 (88) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: MySQL, Java, Data Access, Data Store, Database Application, Database Development, Java Programming, Databases, Software Development, Data Storage, Program Development, Computer Programming
★ 4.4 (84) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Statistical Process Controls, Kaizen Methodology, Customer Relationship Management, Six Sigma Methodology, Quality Management, Lean Methodologies, Quality Monitoring, Continuous Quality Improvement (CQI), Quality Management Systems, Continuous Improvement Process, Operational Excellence, Quality Improvement, Process Improvement, Lean Six Sigma, Customer experience strategy (CX), Quality Control, Supplier Quality Management, Production Management, Product Quality (QA/QC), Change Management
★ 4.8 (89) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Keyword Research, Content Optimization, Search Engine Optimization, Web Analytics and SEO, Web Analytics, Content Performance Analysis
★ 4.4 (89) · Intermediate · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Security, Network Protocols, Network Performance Management, Network Architecture, Network Monitoring, Role-Based Access Control (RBAC), Network Troubleshooting, Network Administration, Computer Networking, TCP/IP, Network Planning And Design, Cybersecurity, Routing Protocols, Firewall, Network Routing, Network Analysis, IT Infrastructure, Cloud Computing, Automation
★ 4.7 (35) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, Plot (Graphics), Python Programming, Data Store, Data Storage
★ 4.4 (50) · Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Claude Code, Anthropic Claude, Vibe coding, Model Context Protocol, Application Development, Context Engineering, Prompt Engineering, AI powered creativity, Tool Calling, Prompt Patterns, AI Workflows, AI Integrations, Agentic Workflows, Code Review, GitHub, AI literacy, Generative AI Agents, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Automation
★ 4.5 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Requirements Elicitation, Requirements Management, Business Requirements, User Requirements Documents, Requirements Analysis, Verification And Validation, Business Analysis Tools, Acceptance Testing, Project Documentation, User Acceptance Testing (UAT), Discussion Facilitation, Stakeholder Communications, Interviewing Skills
★ 4.6 (30) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Network Troubleshooting, Information Systems Security, Network Security, Systems Administration, IT Infrastructure, Computer Networking, OSI Models, Cloud Infrastructure, Routing Protocols, Package and Software Management, Cloud Management, Operating System Administration, Application Security, Help Desk Support, Desktop Support, Network Protocols, Cloud Computing, Customer Service, Debugging
★ 4.9 (239) · Beginner · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Software Design Documents, Data Flow Diagrams (DFDs), User Requirements Documents, Functional Requirement, Software Documentation, Diagram Design, Unified Modeling Language, Functional Specification, Requirements Analysis, System Requirements, Technical Documentation, Data Modeling, Systems Analysis, Security Requirements Analysis, Process Modeling, Computational Logic
★ 4.3 (59) · Beginner · Course · 1 - 3 Months