Layouts plugin lets you design responsive layouts for entire pages, from the header, down to the footer. With Layouts, you get all the power and design options that come with Bootstrap, without having to deal with its complexity. You will be able to build advanced layouts, for entire sites, using a convenient drag-and-drop editor.
Is Toolset Layouts 2.6.17 GPL and safe to use?
Yes. All plugins and Themes on WPBoostly are 100% GPL-licensed and safe for use on your WordPress site. No license keys are needed for functionality.