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.

Universidad de los Andes
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Matlab, Simulation and Simulation Software, Systems Analysis, Systems Design, Differential Equations, Applied Mathematics, Linear Algebra, Performance Tuning
★ 4.8 (68) · Intermediate · Course · 1 - 4 Weeks

Fortinet, Inc.
Skills you'll gain: Network Support, Network Troubleshooting, Firewall, Network Monitoring, Technical Support and Services, Network Security, Virtual Private Networks (VPN), Lightweight Directory Access Protocols, System Monitoring, Authentications, Performance Tuning, Security Software, System Configuration, Cybersecurity, Memory Management, Malware Protection
★ 4.8 (46) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Backlogs, Stakeholder Communications, Virtual Teams, Stakeholder Management, Agile Project Management, Stakeholder Engagement, Agile Software Development, Agile Product Development, Agile Methodology, Communication, Communication Strategies, Collaborative Software, Cross-Functional Collaboration, Cross-Functional Team Leadership, Negotiation, Conflict Management, Product Management, Product Requirements, User Story, Team Oriented
★ 4.8 (17) · Beginner · Course · 1 - 4 Weeks

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: Data Storytelling, Data Presentation, Data Visualization, Data Visualization Software, Storytelling, Visual Storytelling, Data Integrity, Driving engagement, Presentations, Microsoft Excel, Design Elements And Principles
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
★ 4.9 (49) · Intermediate · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Microsoft PowerPoint, Microsoft Teams, Microsoft Excel, Spreadsheet Software, Microsoft Word, Document Management, Taking Meeting Minutes, Business Management, Business Communication, Editing
★ 3.9 (15) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Query Languages, Software Installation
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Video Production, Video Editing, Storyboarding, Photo/Video Production and Technology, Videography, Post-Production, Media Production, Photo Editing, Content Creation, Writing, Scripting, Social Media Content, Social Media
★ 4 (9) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Servers, Linux Commands, Network Troubleshooting, Unix, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, User Provisioning, Shell Script, User Accounts, Software Versioning, System Configuration, Unix Shell, Network Monitoring, Scripting Languages
★ 4.4 (22) · Intermediate · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Game Design, Unreal Engine, User Interface (UI), User Experience Design, Usability, User Interface and User Experience (UI/UX) Design, User Experience, User Interface (UI) Design, Video Game Development, Automation
★ 4.1 (24) · Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Statistical Analysis, NumPy, Probability Distribution, Matplotlib, Plot (Graphics), Statistics, Data Science, Probability & Statistics, Probability, Statistical Modeling, Predictive Modeling, Data Analysis, Linear Algebra, Predictive Analytics, Statistical Methods, Mathematics and Mathematical Modeling, Applied Mathematics, Python Programming, Machine Learning, Logical Reasoning
★ 3.6 (14) · Beginner · Specialization · 1 - 3 Months