“Smart One Page Navigation” is a amazing wordpress plugin for builder one page in few minutes. With this plugin you can create unlimited landing page with more features options.
Demo https://codecanyon.net/item/smart-one-page-navigation-addon-for-visual-composer/14445813
Downloadhttps://www.filecad.com/ilfJ/Smart-One-Page-Navigation-v1.1.8---Addon-For-Visual-Composer.rar