TrainingRite.com offers training on Selenium and many other tools:
Get started with Selenium, and discover how this open source tool can run on any platform, learn how to use on a wide variety of tools like Firebug, FirePath, Eclipse, JUnit4, TestNG, Selenium IDE, Selenium Server (formerly called RC Server) and the latest Selenium WebDriver along with ANT and Maven.
In this course you’ll learn core Java fundamentals along with OOP concepts and gain the critical skills you need to test your web applications, you’ll also create and manage a data-driven framework solution (connecting to MS SQL Server database) using JUnit4 and TestNG frameworks.