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.

Duke University
Skills you'll gain: Data-Driven Decision-Making, Strategic Decision-Making, Business Analytics, Business Intelligence, Analytics, Data Literacy, Decision Making, Forecasting, Data Science, Operational Analysis, Data Analysis, Market Intelligence, Predictive Analytics, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Development Tools, Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Usability, Information Architecture, Responsive Web Design, Hypertext Markup Language (HTML), Front-End Web Development, MySQL, Web Design and Development, User Experience Design, Browser Compatibility, User Interface (UI), HTML and CSS, Verification And Validation, User Interface (UI) Design, Server Side, Semantic Web, Back-End Web Development, Javascript
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Stakeholder Communications, Disaster Recovery, Leadership, Threat Management, Climate Change Adaptation, Resilience, Change Management, Threat Detection, Infrastructure Security, Business Continuity, Organizational Change, Engineering Management, Emergency Response, Contingency Planning, Business Ethics, Communication, Risk Analysis, Sustainable Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Browser Compatibility, Responsive Web Design, UI Components, HTML and CSS, Hypertext Markup Language (HTML), Color Theory, Web Design, Web Content Accessibility Guidelines, Extensible Markup Language (XML), Cascading Style Sheets (CSS), Semantic Web, Verification And Validation, Interactive Design, User Interface (UI), Typography, Web Design and Development, Web Development Tools, Usability, Web Development, Interaction Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, SQL, Data Quality, Data Transformation, Big Data, Metadata Management, Query Languages, Google Cloud Platform, Data Analysis, Google Analytics
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Serverless Computing, Data Processing, Real Time Data, Cloud Security, Identity and Access Management, Debugging, Google Cloud Platform, System Monitoring, Data Integrity, Data Transformation, CI/CD, Containerization, Data Storage Technologies, Extract, Transform, Load, Jupyter, Unit Testing, File I/O, Performance Tuning
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Facebook, Order Management, Order Fulfillment, Marketing, Product Marketing, Sales, Payment Systems, Shipping and Receiving, E-Commerce, Social Media Marketing, Social Media
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Python Programming, Algorithms, Data Manipulation, Computational Thinking, Programming Principles, Data Processing, Data Dictionary, Computer Programming
Mixed · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Real Estate, Risk Management, Property and Real Estate, Financial Analysis, Financial Acumen, Return On Investment, Economics, Construction Accounting, Market Dynamics, Investment Management, Market Data, Mortgage Loans, Investments, Market Trend, Market Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Brochures, Canva (Software), Graphic Design, Marketing Collateral, Marketing Materials, Presentations, Promotional Materials, Design, Design Elements And Principles, Content Marketing, Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Debugging, Unit Testing, File I/O, Integrated Development Environments, Program Development, Computer Programming Tools, Development Environment, Technical Communication, Python Programming
Intermediate · Course · 1 - 4 Weeks