Net Purity is a Network & Internet::Browsers software developed by Topdownloads Networks. After our trial and test, the software was found to be official, secure and free. Here is the official description for Net Purity: Net Purity efficient Website Filtering software! Net Purity will assist youto block all the sites which you do not want to see or do not want to be seen by your children, staff or customers. Net Purity has a very friendly user interface which will make it easy to monitor and filter the sites you want to restrict. you can download Net Purity 6.1 free now.