Best open source Tool for functional Testing Automation [closed]

Best open source Tool for functional Testing Automation [closed]

References

Reference NO 1

http://stackoverflow.com/questions/142454/what-is-the-single-best-open-source-automation-tool-for-functional-web-testing

Reference NO 2

https://blogs.oracle.com/rajeshthekkadath/entry/open_source_automated_test_tools

Reference NO 3

http://www.pushtotest.com/products.html

Reference NO 4

http://sahi.co.in/

Reference NO 5

http://www.infoq.com/news/2011/07/jubula

Reference NO 6

http://blog.teamtreehouse.com/easy-automated-web-application-testing-with-hudson-and-selenium

Reference NO 7

http://www.opensourcetesting.org/functional.php

Reference NO 8

http://www.ibm.com/developerworks/rational/library/07/1225_gouveia/