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: NoSQL, MongoDB, Database Development, Database Systems, Databases, Database Management Systems, Database Management, Database Software, Database Administration, Information Management, Apache Cassandra, Data Store, Operational Databases, Database Theory, Database Architecture and Administration, Distributed Computing, Query Languages, Data Modeling, IBM Cloud, Cloud Applications
★ 4.6 (382) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: WordPress, Search Engine Optimization, Web Analytics and SEO, Blogs, Content Optimization, Web Analytics, Content Performance Analysis, Web Content, Keyword Research, Content Management, Marketing, Analytics, Web Design, Web Development, User Experience
★ 4.5 (800) · Advanced · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Java, Object Oriented Design, Java Programming, Code Reusability, Object Oriented Programming (OOP), Data Structures, Computer Programming, User Interface (UI), UI Components, Programming Principles, Algorithms, Program Development, Debugging
★ 4.6 (300) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Model Evaluation, Machine Learning Algorithms, Data Visualization, Model Optimization, Scikit Learn (Machine Learning Library), Matplotlib, Data Literacy, Tableau Software, Plot (Graphics), Data Presentation, Interactive Data Visualization, Data Visualization Software, Unsupervised Learning, Exploratory Data Analysis, Pandas (Python Package), Seaborn, Data Preprocessing, Model Training, Machine Learning, Python Programming
★ 4.7 (589) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Linux Administration, Linux, Linux Servers, Ubuntu, Operating System Administration, Red Hat Enterprise Linux, Unix, User Accounts, Linux Commands, User Provisioning, Systems Administration, System Configuration, Hardening, Security Controls, Authorization (Computing), Network Administration, Software Installation, Package and Software Management, Authentications, Open Source Technology
★ 4.6 (920) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Structures, Data Storage, Algorithms, Database Systems, Theoretical Computer Science
★ 4.8 (924) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Style Guides, Marketing Design, Marketing Materials, Content Creation, Graphic Design, Color Matching, Dashboard, Graphic and Visual Design, Design Elements And Principles, Branding, Design Software, Marketing
★ 4.6 (1.6K) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Sales Territory Management, Sales Pipelines, Cold Calling, Regional Sales, Closing (Sales), Product Knowledge, Personalized Campaigns, Sales Presentations, Sales Strategy, Lead Generation, B2B Sales, Consultative Selling, Sales Prospecting, Microsoft Copilot, AI Personalization, Email Automation, Customer Relationship Management (CRM) Software, Generative AI, ChatGPT, Customer Engagement
★ 4.6 (503) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Virtual Machines, Package and Software Management, Memory Management
★ 4.7 (537) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Productivity Software, Presentations, Microsoft PowerPoint, Microsoft Office, Collaborative Software, Google Docs, Microsoft 365, Multimedia, Editing, File Management
★ 4.7 (178) · Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Robotics, Network Routing, Graph Theory, Algorithms, Artificial Intelligence, Simulations, Predictive Modeling, Scenario Testing
★ 4.8 (487) · Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Chemical Engineering, Chemistry, Thermal Management, Mechanics, Mechanical Engineering, Engineering Calculations, Mathematical Software, Process Engineering, Analytical Chemistry, Numerical Analysis, Vibrations, Differential Equations, Engineering, Physics, Applied Mathematics, Integral Calculus, Probability Distribution, Mathematical Modeling, Materials science, Physical Science
★ 4.5 (1.1K) · Advanced · Specialization · 3 - 6 Months