I dont think there will Automation tools available separately. Agile is a process where you can use your existing Automaton tools such as Selenium
Suggest some list of Agile Automation tools
Suggest me some Agile Automation tool anmes please Agile Automation,
Please let us know your question clearly, so that we can answer better, Agile Methodology is a phase by approach and if you want to use any Open source automation tools in development & Testing, please see the below mentioned website.
Ram A V V J Varanasi
Identifying a best-fit agile automation tool is very important if agile teams are to have a minimal or no bug version of the software with each iteration. Apart from Selenium, ClicTest supports Agile Automation. ClicTest also helps to perform End-to-End testing. Follow the link to know more. http://bit.ly/1VE0Sce