The Tellurium Automated Testing Framework (Tellurium) is a UI module-based automated testing Framework for web applications. The UI module is a collection of UI elements you group together. Usually, the UI module represents a composite UI object in the format of nested basic UI elements.
Selenium is a portable software testing framework for web applications. The tests can be written as HTML tables or coded in a number of popular programming languages and can be run directly in most modern web browsers. Selenium can be deployed on Windows, Linux, and Macintosh platforms.