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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development, UI Components, Usability, Typography
Intermediate · Course · 1 - 3 Months

Dubai College of Tourism
Skills you'll gain: Revenue Management, Hotel Operations, Market Intelligence, Competitive Analysis, Market Analysis, Key Performance Indicators (KPIs), Market Data, Benchmarking, Hospitality, Performance Analysis, Technology Strategies, Business Technologies, Data Analysis, Data-Driven Decision-Making, Strategic Thinking, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Application Development, Computer Programming, Programming Principles, File I/O
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Cloud Applications, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, SQL, API Design, Databases
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Tableau Software, Interactive Data Visualization, Data Presentation, Infographics, Data Import/Export, Data Storytelling, Business Analytics, Data Science, Marketing Analytics
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Semiconductors, Finite Element Methods, Medical Devices, Materials science, Electronics Engineering, Laboratory Testing, Electronics, Quality Assurance, Process Control, Biomedical Engineering, Electronic Systems, Product Testing, Mechanical Design, Manufacturing Processes, Electrical Engineering, Electronic Components, Computer Architecture, Process Engineering, Mechanical Engineering, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptography, Data Import/Export, MySQL, Vulnerability Scanning, Encryption, Brute-force attacks, Vulnerability Assessments, Cybersecurity, Data Encryption Standard, SQL
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, Plot (Graphics), Data Visualization, Statistical Visualization, Box Plots, Scatter Plots, Interactive Data Visualization, Data Visualization Software, Histogram, Statistical Analysis, Data Analysis, Probability
Beginner · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Open Source Technology, Music, Musical Composition, Aesthetics, Music History, Collaborative Software, Data Sharing, Creativity, Digital Publishing, Content Creation, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Assessments, Intrusion Detection and Prevention, Brute-force attacks, Application Security, Network Security, Virtual Local Area Network (VLAN), Cloud Security, API Testing, Wireless Networks
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Security Controls, Cybersecurity, Security Engineering, Network Security, Cryptography, Vulnerability Assessments, Encryption, Transaction Processing, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity, Scalability
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Management Consulting, Mergers & Acquisitions, Business Consulting, Growth Strategies, Due Diligence, Strategic Thinking, Profit and Loss (P&L) Management, Business Strategies, Price Negotiation, Market Opportunities, Financial Analysis, Competitive Analysis, Go To Market Strategy, Case Studies, Business Analysis, Market Analysis, Revenue Management
Beginner · Course · 1 - 4 Weeks