What are some alternatives?
When comparing Lndr and Grid.studio, you can also consider the following products
The Landing Page Cookbook - A guide for makers who want to create better landing pages.
Ship - Fast, native issue tracking for software projects
Landingfolio - The best landing page designs for your inspiration.
FilePane - Enhance the power of drag-and-drop on your Mac
Landing Pages in MailChimp - Easy to build, custom landing pages for free
Dragula - A drag and drop library for developers