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.

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
★ 3.4 (29) · Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
★ 4.8 (45) · Beginner · Course · 1 - 4 Weeks
University of Rochester
Skills you'll gain: Market Dynamics, Supply And Demand, Economics, Policy, and Social Studies, Economics, Revenue Management, Business Economics, Policy Analysis, Research, and Development, Social Sciences, Public Policies, Market Analysis, Competitive Analysis, Consumer Behaviour, Business Strategy, Benefits Administration
★ 4.9 (42) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Multimedia, Marketing Design, Content Creation, Graphic and Visual Design Software, Graphic Design, Graphic and Visual Design, Animations, Editing, Marketing, Product Promotion
★ 4.6 (72) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Canva (Software), Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Graphics Software, Graphical Tools, Creative Design
★ 4.4 (61) · Beginner · Guided Project · Less Than 2 Hours

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), Assembly Drawing, 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design, Engineering Drawings, Simulation and Simulation Software
★ 4.7 (60) · Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Test Data, Algorithms, Verification And Validation, Statistical Programming, Development Testing, Data Structures, Transaction Processing
★ 4.6 (34) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Installation, Code Reusability, Functional Design, Programming Principles, Data Validation, Python Programming, Program Development, Scripting, Software Design, Computational Thinking, Development Environment, Computational Logic, Computer Programming, Algorithms, Command-Line Interface, Arithmetic, Problem Solving
★ 4.5 (36) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Tableau Software, Dashboard, LinkedIn, Storytelling, Dashboard Creation, Interactive Data Visualization, Professional Networking, Data Visualization Software, Report Writing, Technical Communication, Power BI, Relationship Building, Interviewing Skills, Job Analysis
★ 4.8 (33) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Histogram, R (Software), Statistical Methods, Statistical Programming, Probability & Statistics, Descriptive Analytics, Statistics, Statistical Software, Data Science
★ 4.8 (52) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Angular, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, Web Applications, Hypertext Markup Language (HTML), Web Development, Development Environment
★ 4.2 (49) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Power Platform, Power BI, Microsoft Power Automate/Flow, Power Platform Architecture & Technical Design, Product Automation, Microsoft Development Tools, Business Intelligence Software, Application Development, No-Code Development, Generative AI Agents, Dashboard Creation, Systems Integration
★ 4.4 (43) · Beginner · Course · 1 - 4 Weeks