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: Cryptography, Network Security, OSI Models, Public Key Infrastructure, Network Protocols, Encryption, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, System Programming, Secure Coding, C++ (Programming Language), C (Programming Language), Debugging, Interoperability, File I/O, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Model Evaluation, Data Validation, Regression Analysis, Feature Engineering, Plot (Graphics), Statistical Modeling, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Time Series Analysis and Forecasting, Statistical Inference, Statistical Hypothesis Testing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Microsoft SQL Servers, SQL, Database Management, Databases, Data Integration, Managed Services, Data Migration, Cloud Services
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Flutter (Software), Cross Platform Development, Mobile Development, Web Applications, UI Components, Package and Software Management, Development Environment, Network Analysis
Beginner · Project · Less Than 2 Hours

EC-Council
Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Threat Modeling, Cybersecurity, Cloud Security, Mobile Security, Vulnerability Assessments, Network Security, Application Security, Threat Detection, Security Awareness, Cyber Attacks, Brute-force attacks, MITRE ATT&CK Framework, Encryption, Vulnerability Scanning, Exploitation techniques, Infrastructure Security, Wireless Networks, Internet Of Things
Beginner · Course · 1 - 3 Months

Skills you'll gain: Health Information Management, Regulatory Compliance, Data Management, Health Care, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Security, Telehealth, Security Management, Information Privacy, Electronic Medical Record, Threat Management, Emerging Technologies, Information Technology, Interoperability
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Logistic Regression, Model Evaluation, Statistical Inference, Predictive Analytics, R Programming, Statistical Modeling, Statistical Methods, Biostatistics, Regression Analysis, Statistical Analysis, Statistics, Statistical Hypothesis Testing, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Education Software and Technology, Cultural Diversity, Multilingualism, Student Engagement, Cultural Sensitivity, Teaching, Parent Communication, Language Learning, Instructional Strategies, Child Development, Working With Children, digital literacy
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Unix Commands, Remote Access Systems, Linux Commands, System Configuration, Computer Hardware, Networking Hardware, Embedded Systems, Python Programming, Operating Systems, File Management, Peripheral Devices, Software Installation
Beginner · Course · 3 - 6 Months