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.

University of Cape Town
Skills you'll gain: Data Import/Export, Box Plots, Jupyter, Statistical Analysis, Data Visualization, Plot (Graphics), Scientific Visualization, Statistical Programming, Programming Principles, Exploratory Data Analysis, Descriptive Statistics, Data Manipulation, Mathematical Software, Epidemiology, Numerical Analysis, Other Programming Languages, Computer Programming, Statistical Hypothesis Testing, Scripting, Computational Logic
★ 4.4 (439) · Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Benchmarking, Peer Review, Professional Development, Constructive Feedback, Planning, Performance Measurement, Performance Analysis, Job Analysis, Organizational Skills, Productivity Software, Personal Development, Dashboard, Competitive Analysis, Goal Setting
★ 4.1 (226) · Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Gmail, Email Security, Google Workspace, Mobile Security, Security Management, Cloud Security, Application Security, Data Security, Security Controls, OAuth, Endpoint Security, Identity and Access Management, Authentications, Data Loss Prevention, Multi-Factor Authentication
★ 4.7 (812) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Graph Theory, Data Structures, Unstructured Data, Algorithms
★ 4.7 (557) · Mixed · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Intellectual Property, Business Planning, Competitive Analysis, Financial Data, Service Improvement, Risk Management, Financial Acumen, Tax Preparation, Business Process Automation, Budget Management, Risk Mitigation, Contract Management, Business Strategies, Tax Management, Accounting and Finance Software, Business Strategy, Process Improvement, Entrepreneurship, Marketing, Leadership and Management
★ 4.7 (443) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Mobile Development, Mobile Development Tools, iOS Development, Other Mobile Programming Languages, Flutter (Software), Integrated Development Environments, Development Environment, Apple iOS, Android Studio, Computer Programming Tools, Application Development, Swift Programming, Test Tools, React Native, Apple Xcode, Application Frameworks, Web Applications, Cross Platform Development, Software Testing, Cloud Hosting
★ 4.7 (231) · Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Pseudocode, C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Object Oriented Design, File I/O, Integrated Development Environments, Computer Programming, Development Environment, Programming Principles, Data Structures, Program Development, Algorithms, Interactive Design, Data Modeling, FinTech, Application Development, Software Engineering, Test Data, Verification And Validation
★ 4.7 (262) · Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Agentic systems, Business Process Automation, Memory Management, Tool Calling
★ 4.7 (333) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Analysis, Model Evaluation, Data Transformation, R Programming, Data Visualization, Regression Analysis, Predictive Modeling, Statistical Methods, R (Software), Data Manipulation, Plot (Graphics), Data Science, Box Plots, Statistical Visualization, Correlation Analysis, Model Training, Tidyverse (R Package)
★ 4.7 (377) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Marketing Effectiveness, A/B Testing, Target Audience, Marketing Strategies, Marketing, Marketing Planning, Marketing Strategy and Techniques, Online Advertising, Customer Analysis, Conversion Funnel Analysis, Marketing Channel, Advertising Campaigns, Persona Development, Customer Insights, Regression Analysis, Model Evaluation, Data Analysis, Descriptive Analytics
★ 4.7 (298) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Database Architecture and Administration, Database Management, Relational Databases, Database Software, MySQL, Database Management Systems, IBM DB2, Database Systems, Operational Databases, PostgreSQL, Performance Tuning, Data Maintenance, Data Storage Technologies, Disaster Recovery, Application Performance Management, Role-Based Access Control (RBAC), Network Troubleshooting, IT Automation, User Accounts
★ 4.4 (272) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Virtual Networking, Cloud Infrastructure, Network Architecture, Computer Networking, Network Infrastructure, Cloud Computing Architecture, General Networking, Software-Defined Networking, Network Planning And Design, Cloud Computing, Virtualization, Network Routing, TCP/IP, Wide Area Networks, Data Centers, Network Performance Management, Network Switches, Virtual Machines, Virtualization and Virtual Machines, Python Programming
★ 4.4 (304) · Mixed · Course · 1 - 3 Months