The Landing Page Cookbook - A guide for makers who want to create better landing pages.
Generator by DesignModo - Easy way to make a landing page for your startup
BlueSoap.com.au - Smart web solutions
Landing Pages in MailChimp - Easy to build, custom landing pages for free
Cindr - Create a beautiful yet simple single page website for free.
Carrd - Simple, responsive one-page site creator.