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.

Google Cloud
Skills you'll gain: AI Security, Security Information and Event Management (SIEM), DevSecOps, Role-Based Access Control (RBAC), Responsible AI, Data Security, Security Strategy, Cloud Deployment, Vulnerability Management, Vulnerability Scanning, Security Management, Continuous Monitoring, Cybersecurity, Cloud Security, Vulnerability Assessments, Threat Modeling, Threat Detection, Incident Response, Security Software, Operations
★ 4.3 (26) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Penetration Testing, Threat Management, Threat Detection, Cyber Security Assessment, Cybersecurity, Cyber Security Strategy, Cyber Operations, Vulnerability Scanning, Cyber Attacks, Computer Security, Vulnerability Assessments, Security Strategy, Cyber Security Policies, Network Security, Network Analysis, Network Protocols
★ 4.8 (16) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Statistical Reporting, Statistics, Research Design, Statistical Analysis, Microsoft Excel, Descriptive Analytics, Research Methodologies, Statistical Methods, R (Software), Research, R Programming, Data Collection, Research Reports, Correlation Analysis, Data Ethics
★ 4.4 (18) · Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Incident Management, Information Management, Computer Security Incident Management, Event Monitoring, Business Intelligence, Query Languages, Data Management, Data Analysis, Big Data, Business Analytics
★ 4.8 (27) · Beginner · Course · 1 - 3 Months

University of Cambridge
Skills you'll gain: Criminal Investigation and Forensics, Molecular Biology, Healthcare Ethics, Specimen Collection, Scientific Methods, Molecular, Cellular, and Microbiology, Biostatistics, Life Sciences, Laboratory Techniques, Biotechnology, General Science and Research, Analytical Testing, Research, Biology, Emerging Technologies
★ 4.9 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Restful API, Web Development, Object-Relational Mapping, Web Applications, User Accounts, Data Integrity, Single Sign-On (SSO), .NET Framework, API Design, Application Programming Interface (API), Database Application, Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Data Management, Relational Databases, Identity and Access Management, Model View Controller
★ 4.7 (38) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Analysis, Business Analysis Tools, Requirements Elicitation, Quality Assurance, Leadership and Management, Product Quality (QA/QC), Risk Management, Agile Product Development, Agile Software Development, Quality Control, Risk Analysis, Project Coordination, Quality Assessment, Stakeholder Analysis, Risk Management Framework, Project Planning, Stakeholder Management, Problem Solving, Communication, Critical Thinking
★ 4.4 (16) · Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, Agentic Workflows, AI Orchestration, LLM Application, Large Language Modeling, Generative AI Agents, Process Modeling, Tool Calling, Agentic systems, Application Deployment, Enterprise Application Management, Program Development, Development Environment, Model Evaluation
★ 4.9 (24) · Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
★ 3.9 (14) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Statistical Methods, Data Literacy, Regression Analysis, Generative AI, Descriptive Analytics, Statistical Analysis, AI literacy, Data-Driven Decision-Making, Correlation Analysis, Technical Communication, Data Visualization, Data Analysis, Exploratory Data Analysis, Statistical Visualization, Scatter Plots, Descriptive Statistics, Statistical Hypothesis Testing, Predictive Analytics, Data Presentation, Data Storytelling
★ 4.7 (36) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Microsoft Outlook, Microsoft Teams, Microsoft Office, Email Automation, Microsoft 365, Collaborative Software, Proposal Writing, Productivity Software, Meeting Facilitation, Prompt Engineering, Proposal Development, Calendar Management, Business Writing, Setting Appointments, Workflow Management
★ 4.6 (31) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.9 (21) · Intermediate · Specialization · 1 - 4 Weeks