Carrd - Simple, responsive one-page site creator.
The Landing Page Cookbook - A guide for makers who want to create better landing pages.
Gridbox - Create beautiful landing pages in seconds.
Landing Pages in MailChimp - Easy to build, custom landing pages for free
PageFabric - PageFabric is a free static website editor for Windows 10.
Landingfolio - The best landing page designs for your inspiration.