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: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Network Engineering, Firewall, Amazon Web Services, Cloud Services, Network Infrastructure
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Supervised Learning, Model Optimization, Feature Engineering, Applied Machine Learning, Object Oriented Programming (OOP), Unsupervised Learning, Model Evaluation, Statistical Machine Learning, Recurrent Neural Networks (RNNs), Object Oriented Design, Convolutional Neural Networks, Machine Learning Methods, Plot (Graphics), Transfer Learning, Machine Learning Algorithms, Data Visualization, Natural Language Processing, Seaborn, Python Programming, Deep Learning
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Rust (Programming Language), Memory Management, System Programming, Package and Software Management, Data Structures, Software Installation, Code Reusability, Build Tools, Programming Principles, Other Programming Languages, Secure Coding, Maintainability, Data Management, Data Sharing, Data Access
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, File I/O, Algorithms, Java Programming, Object Oriented Design, Data Structures, Encryption, Computer Programming, Software Engineering, Cryptography, Data Store, File Management, Data Import/Export, Web Applications
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Network Security, Secure Coding, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Key Management, Vulnerability Assessments, Authorization (Computing), Code Review, Dependency Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: QuickBooks (Accounting Software), Reconciliation, Month End Closing, Transaction Processing, Accruals, Accounting Software, Depreciation, Accrual Accounting, Bookkeeping, Accounting, General Accounting, Accounting Records, Standard Accounting Practices, Cash Handling, Small Business Accounting, Data Entry
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Tableau Software, Peer Review, Data Storytelling, Dashboard Creation, Dashboard, Data Presentation, Presentations, Data Cleansing, Business Intelligence, Data Visualization Software, Data Visualization, Interactive Data Visualization, Business Intelligence Software, Data Quality, Data Preprocessing, Data Wrangling, Data Analysis, Key Performance Indicators (KPIs)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Data Import/Export, Extensible Markup Language (XML), Data Processing, Cascading Style Sheets (CSS), JSON, Data Pipelines, Software Installation, Application Programming Interface (API), MongoDB, Hypertext Markup Language (HTML), Data Collection
Beginner · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: API Gateway, Cloud Deployment, Cloud Development, Restful API, Application Programming Interface (API), Cloud Applications, Application Deployment, API Design, Go (Programming Language), Software Development, Google Cloud Platform, Personally Identifiable Information, Data Access, DevOps, Database Application, Data Management
★ 3.8 (8) · Intermediate · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: R (Software), R Programming, Statistical Programming, Statistical Analysis, Statistical Methods, Debugging, File I/O, Data Analysis, Simulations, Programming Principles, Code Reusability, Data Import/Export, Data Processing, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, UI Components, Web Language, Front-End Web Development, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
★ 5 (7) · Beginner · Specialization · 3 - 6 Months

SAE Institute México
Skills you'll gain: Exploitation techniques, Vulnerability Scanning, Penetration Testing, Vulnerability Assessments, Cybersecurity, Network Security, Cyber Security Policies, Cyber Attacks, Computer Networking
Beginner · Course · 1 - 4 Weeks