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: iOS Development, Mobile Development, Apple iOS, Apple Xcode, Swift Programming, Objective-C (Programming Language), User Interface (UI), Mobile Development Tools, Application Development, UI Components, Application Programming Interface (API), Knowledge of Apple Software, Development Environment, Integrated Development Environments, Storyboarding
★ 4.6 (1K) · Beginner · Course · 1 - 4 Weeks

Cloudera
Skills you'll gain: Database Design, SQL, Apache Hive, Relational Databases, Databases, Database Management, Database Management Systems, Big Data, Database Systems, Amazon Web Services, MySQL, Data Management, Query Languages, Amazon S3, Apache Hadoop, Data Storage, NoSQL, Data Storage Technologies, Cloud Storage, Data Analysis
★ 4.7 (1.4K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Event-Driven Programming, Debugging, Programming Principles, Algorithms, Video Game Development, Computer Programming Tools, Game Design, Computer Programming, Program Development, Animation and Game Design, Interactive Design, Computer Science
★ 4.5 (1.5K) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, Javascript, Data Manipulation, HTML and CSS, Data Validation, UI Components, Scripting, Event-Driven Programming, Computational Thinking, JavaScript Frameworks, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Program Development, Game Design, Frontend Performance, Event Monitoring
★ 4.7 (1.1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cost Management, Quality Management, Backlogs, Project Closure, Team Management, Project Planning, Sprint Retrospectives, Project Scoping, Team Leadership, Scope Management, Project Implementation, Initiative and Leadership, Project Management Life Cycle, Agile Project Management, Project Risk Management, Agile Software Development, Requirements Analysis, Change Management, Project Management, Organizational Change
★ 4.9 (2.6K) · Beginner · Professional Certificate · 3 - 6 Months

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 (619) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Cloud Infrastructure, Load Balancing, Prompt Engineering, Kubernetes, Network Monitoring, Prompt Engineering Tools, Containerization, Virtual Networking, Network Architecture, Infrastructure As A Service (IaaS), Prompt Patterns, Network Security, Cloud Platforms, Cloud Storage, Network Routing, Network Planning And Design, Virtual Private Networks (VPN), Hybrid Cloud Computing
★ 4.8 (2K) · Intermediate · Specialization · 3 - 6 Months

Wesleyan University
Skills you'll gain: Descriptive Statistics, Data Manipulation, Data Presentation, Data Visualization Software, Data Management, Data Literacy, Graphing, SAS (Software), Peer Review, Data Analysis, Statistics, Exploratory Data Analysis, Statistical Programming, Statistical Analysis, Python Programming
★ 4.4 (946) · Mixed · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Restful API, API Design, Application Programming Interface (API), Cloud API, Google Cloud Platform, Application Lifecycle Management, Proxy Servers, Software Documentation, Application Development, Enterprise Architecture, Development Environment, Application Deployment, Authorization (Computing), Authentications, Debugging
★ 4.7 (2.4K) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Agentic systems, Generative AI Agents, Agentic Workflows, LLM Application, OpenAI API, AI Workflows, Tool Calling, Prompt Engineering, Prompt Patterns, Software Documentation
★ 4.6 (474) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Simulations, Security Testing, Cyber Attacks, Security Controls, Vulnerability Management, Incident Response
★ 4.8 (1.3K) · Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Correlation Analysis, Statistical Programming, Statistical Modeling, Logistic Regression, Predictive Modeling
★ 4.4 (614) · Mixed · Course · 1 - 3 Months