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.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Assessments, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, System Monitoring, Patch Management, Server Side
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Bitbucket, Version Control, GitLab, Software Versioning, Software Configuration Management, Collaborative Software, IntelliJ IDEA, Integrated Development Environments, Software Development, Code Review, Microsoft Visual Studio, Eclipse (Software), Linux, Open Source Technology, Command-Line Interface
Beginner · Specialization · 1 - 3 Months
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gemini, Google Docs, Proofreading, Google Workspace, LLM Application, AI Enablement, Prompt Engineering, Generative AI
Beginner · Course · 1 - 4 Weeks

Clemson University
Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Theoretical Computer Science, Computer Programming, Computer Science, Probability, Design Strategies, Analysis, Performance Testing, Scalability
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Power BI, Data Ethics, Data Visualization Software, Data Analysis, Statistical Analysis, Correlation Analysis, Business Intelligence, Advanced Analytics, Data Analysis Expressions (DAX), Analytics, Data-Driven Decision-Making, Exploratory Data Analysis, Trend Analysis, Time Series Analysis and Forecasting, Scatter Plots, Forecasting, Geospatial Information and Technology, Root Cause Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Manipulation, Bioinformatics, Informatics, Data Processing, Clinical Informatics, Data Science, Health Informatics, Clinical Data Management, Classification Algorithms, Analytics, Patient Evaluation, Model Evaluation, Machine Learning Algorithms, Data Validation, Performance Testing
Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Data-Driven Decision-Making, Microsoft Excel, Forecasting, Regression Analysis, Business Analytics, Excel Formulas, Statistical Analysis, Data Analysis Software, Time Series Analysis and Forecasting, Spreadsheet Software, Pivot Tables And Charts, Analytics, Statistical Methods, Advanced Analytics, Data Analysis, Statistics, Productivity Software, Data Visualization Software, Probability & Statistics, Statistical Inference
Advanced · Course · 1 - 3 Months

Skills you'll gain: Digital pedagogy, Education Software and Technology, digital literacy, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Store, Data Cleansing, Data Mapping, Data Integrity
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Process Mapping, Root Cause Analysis, Lean Six Sigma, Lean Methodologies, Correlation Analysis, Process Improvement, Six Sigma Methodology, Risk Management, Regression Analysis, Statistical Process Controls, Continuous Improvement Process, Data Collection, Process Flow Diagrams, Descriptive Statistics, Statistical Hypothesis Testing, Process Optimization, Customer Analysis, Quality Improvement, User Feedback, Quality Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, Information Systems Security, Infrastructure Security, Cybersecurity
Advanced · Course · 1 - 4 Weeks