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.

HubSpot Academy
Skills you'll gain: Closing (Sales), Booking (Sales), Overcoming Objections, Sales Management, Prospecting and Qualification, Inside Sales, Sales Enablement, Sales Process, Sales Training, Selling Techniques, Sales Prospecting, HubSpot CRM, Lead Generation, Sales, Consultative Approaches, General Sales Practices, Sales Strategy, Consultative Selling, Consumer Behaviour, Management Training And Development
★ 4.7 (1.2K) · Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Machine Learning Methods, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Artificial Neural Networks, Decision Tree Learning, Model Training, Computer Vision, Logistic Regression, Supervised Learning, Machine Learning Algorithms, Natural Language Processing, Predictive Modeling, Data Science, Predictive Analytics
★ 4.7 (848) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Excel Macros, Data Visualization, Prompt Engineering, Excel Formulas, Microsoft Excel, Data Presentation, Pivot Tables And Charts, Microsoft Copilot, Data Visualization Software, Data Storytelling, Spreadsheet Software, Forecasting, Dashboard Creation, Report Writing, Data Cleansing, Data Analysis, Data Synthesis, Predictive Modeling, Workflow Management, Data Manipulation
★ 4.3 (522) · Beginner · Professional Certificate · 3 - 6 Months

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (786) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
★ 4.5 (1.2K) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: A/B Testing, Data-Driven Decision-Making, Statistical Methods, Statistical Hypothesis Testing, Analytics, Statistics, Estimation, Decision Making, Data Analysis, Statistical Inference, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Penetration Testing, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Vulnerability Assessments, Security Testing, Network Security, Cyber Security Assessment, Cybersecurity, Cloud Computing, Cyber Attacks, Brute-force attacks, Exploitation techniques, Human Factors (Security), Web Applications, Mobile Security, Internet Of Things, Wireless Networks
★ 4.6 (616) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Digital pedagogy, Collaborative Software, Education Software and Technology, digital literacy, Emerging Technologies, Innovation, Digital Communications
★ 4.8 (1.6K) · Mixed · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Wireless Networks, General Networking, Emerging Technologies, Embedded Software, Embedded Systems, Information Technology Architecture, Programming Principles, Electronic Components, Computer Hardware, Computing Platforms, Development Environment, Problem Solving
★ 4.6 (1.8K) · Beginner · Course · 1 - 3 Months

Technion - Israel Institute of Technology
Skills you'll gain: Materials science, Engineering, Scientific, and Technical Instruments, Semiconductors, Innovation, Biomedical Engineering, Chemistry, Electrical Engineering, Analytical Testing, Analytical Chemistry, Manufacturing Processes
★ 4.6 (1.2K) · Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components, Web Development
★ 4.6 (917) · Beginner · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Integrated Marketing Communications, Social Media Marketing, Content Marketing, Driving engagement, Social Media Content, Social Media, Social Media Campaigns, Social Media Strategy, Marketing Effectiveness, Marketing Communications, Earned Media, Social Media Analytics, Owned Media, Online Advertising, Paid media, Media Strategy, Content Creation, Advertising Campaigns, Digital Media Strategy, A/B Testing
★ 4.7 (1.1K) · Mixed · Course · 1 - 4 Weeks