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: Programming Principles, Computer Programming, Python Programming, Computational Logic, Computer Science
★ 4.5 (272) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Digital Forensics, grep, Network Protocols, General Networking, Record Keeping, Data Storage, Data Integrity, File Management, Ethical Standards And Conduct, Encryption, Data Validation, Technical Documentation
★ 4.7 (272) · Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Manufacturing Operations, Manufacturing Processes, Product Design, Digital Analysis, Manufacturing and Production, Business Analysis Tools, Production Process, Digital Transformation, Design Software, Digital Design, IT Infrastructure, Hardware Architecture, Technology Strategies, Information Technology
★ 4.7 (475) · Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Data Security, Cloud Applications, Cloud Services, Application Security, Authorization (Computing), Cyber Risk, Secure Coding, Cloud Storage, Personally Identifiable Information, DevSecOps, General Data Protection Regulation (GDPR), Network Security, Information Privacy, Continuous Monitoring, Computer Security, Cryptography
★ 4.3 (172) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: DevSecOps, Cloud Security, Identity and Access Management, User Accounts, Authorization (Computing), Payment Card Industry (PCI) Data Security Standards, Data Security, IT Security Architecture, Security Requirements Analysis, Security Engineering, Private Cloud, Cloud Standards, Security Controls, Cloud Computing Architecture, Network Security, Encryption, Firewall, Google Cloud Platform, CI/CD, Key Management
★ 4.7 (149) · Beginner · Course · 1 - 3 Months
Macquarie University
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Dashboard, Excel Formulas, Consolidation, Data Visualization, Data Management, Automation
★ 4.7 (131) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Control Systems, Electronic Systems, Electrical Engineering, electromagnetics, Electrical Power, Electronics Engineering, Electric Power Systems, Simulation and Simulation Software, Electronics, Engineering Analysis, Simulations, Electrical Systems, Mathematical Modeling, Hardware Design, Computer-Aided Design, Matlab, Technical Design, Engineering Design Process, Energy and Utilities
★ 4.7 (163) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Applied Machine Learning, Predictive Modeling, Jupyter, Predictive Analytics, Model Evaluation, Model Optimization, Data Analysis, Machine Learning, Data Science, Python Programming
★ 4.7 (226) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, AWS Identity and Access Management (IAM), Security Controls, Geographic Information Systems, Geospatial Information and Technology, Encryption, Data Security, Network Security, Public Key Infrastructure, Cryptography, Web Applications, Wireless Networks
★ 4.6 (377) · Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Bioinformatics, Markov Model, Life Sciences, Molecular Biology, Biology, Algorithms, Data Analysis Software
★ 4.8 (189) · Mixed · Course · 3 - 6 Months
University of Rochester
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Consumer Behaviour, Economics, Policy, and Social Studies, Resource Allocation, Market Analysis, Policy Analysis, Public Policies, Decision Making, Investment Management
★ 4.6 (276) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Red Hat Enterprise Linux, Linux, Private Cloud, Linux Administration, Package and Software Management, Bash (Scripting Language), Command-Line Interface, Operating System Administration, File Systems, Linux Commands, Linux Servers, User Accounts, IBM Cloud, Unix Shell, File Management, OS Process Management, User Provisioning, Cloud Management, Virtualization, Cloud Computing
★ 4.7 (242) · Intermediate · Specialization · 3 - 6 Months