Selenium is open-source automation tool used to test Web applications, whereas RPA or Robotic Process Automation is also an open-source which is used to automate a business process that consumes time to do repetitive tasks. Both are different from each other even though both are automation tools.
RPA is relatively new and is also a little expensive compared to Selenium which is free.
Do check out Selenium training from Intellipaat, which is 45 hrs online instructor-led training that also includes 7 guided projects to gain the necessary hands-on experience.
Also, check out our YouTube video on Selenium training from Intellipaat made by our experts.