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.

STARWEAVER
Skills you'll gain: Data Storytelling, Active Listening, Business Writing, Data Visualization, Concision, Data Presentation, Sales Presentation, Non-Verbal Communication, Sales Strategy, Sales Presentations, Customer Relationship Management (CRM) Software, Writing, Persuasive Communication, Team Collaboration, Virtual Teams, Storytelling, Communication, Verbal Communication Skills, Marketing Communications, Communication Strategies
★ 4.5 (44) · Intermediate · Specialization · 1 - 3 Months

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

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, Data Strategy, FinTech, Data Engineering, Deep Learning, Machine Learning Methods, Predictive Analytics, Analytics, Applied Machine Learning, Data Science, Data Processing, Predictive Modeling, Machine Learning, Digital Transformation, Financial Market, Machine Learning Algorithms, Data Literacy, Business Transformation
★ 4.3 (94) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Descriptive Statistics, Statistical Programming, R Programming, R (Software), Statistical Reporting, Data Quality, Data Preprocessing, Data Cleansing, Statistics, Data Processing, Statistical Methods, Statistical Software, Data Analysis Software, Statistical Analysis, Data Import/Export
★ 4.6 (93) · Beginner · Guided Project · Less Than 2 Hours

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

University of Michigan
Skills you'll gain: Histogram, Generative AI, Model Evaluation, Data Literacy, Data Visualization, AI literacy, Data Collection, Statistical Hypothesis Testing, Scientific Methods, Descriptive Statistics, Statistics, Data Analysis, Statistical Reporting, Data Ethics, Experimentation, Science and Research, Data Science, Data-Driven Decision-Making, Research Design, Artificial Intelligence
★ 4.7 (60) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Version Control, Test Script Development, Software Versioning, Continuous Integration, File I/O, Test Tools, Continuous Delivery, Functional Testing, Automation, UI Components, Code Reusability, Hypertext Markup Language (HTML), Development Environment, Integrated Development Environments, Command-Line Interface, Package and Software Management
★ 4.6 (24) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Analytics, Distributed Computing, Data Processing, Live Streaming, Systems Architecture, Event-Driven Programming, Development Environment
★ 3.9 (43) · Beginner · Course · 1 - 3 Months
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

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: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Usability Testing, Web Development, Software Testing, Test Tools, Front-End Web Development, Functional Testing, Test Automation, Continuous Monitoring, Development Testing, Computer Programming Tools, JavaScript Frameworks, WordPress
★ 4.5 (39) · Intermediate · Course · 1 - 3 Months