TheWebsiteHub, useful and easy step by step learning windows, excel, ubuntu, nginx, apache, technology news, joomla, drupal, php, laravel, yii, mysql, mariadb, etc
Not Applicable 
$ 8.95
ForaStat is a free tool which helps analyse websites and estimate valuation including such as Search Engine Reports, Traffic Reports, Social Engagement, Safety, Host Information, Domain WHOIS, Page Speed and much more.