w2ui - W2UI is a small JavaScript UI library with a complete set of widgets: layout, grid, sidebar, toolbar, tabs, fields, popup, utilities.
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
Svelte - Cybernetically enhanced web apps
GoodBarber - GoodBarber is a mobile app creation platform.
Webix UI - An enterprise JavaScript Library for cross-platform app development with HTML5 JavaScript widgets and easy integration with most popular JavaScript Frameworks.
Bizness Apps - Create your own app or become a reseller and build apps for others