Stream UI Kit - A beautiful open source Bootstrap 4 UI kit
Carrd - Simple, responsive one-page site creator.
Rainbow UI Kit by EpicPxls - A colorful Bootstrap 4 UI Kit for landing pages
Gridbox - Create beautiful landing pages in seconds.
iOS Starter Pack - A bundle of beautiful, functional iOS apps built with SwiftUI to get you started.Includes the Xcode projects and SwiftUI code for the Shop App, Finance App, and Social App.
PageFabric - PageFabric is a free static website editor for Windows 10.