The Landing Page Cookbook - A guide for makers who want to create better landing pages.
Elementor - Elementor is a front-end drag & drop page builder for WordPress.
Landing Pages in MailChimp - Easy to build, custom landing pages for free
Layers - A simple Wordpress site builder & its free forever
Landingfolio - The best landing page designs for your inspiration.
Designmodo - Timesaving tools for designers, developers and marketers. Designmodo offers website and email builders.