Blazor - An experimental web UI framework using C#/Razor and HTML, running in the browser via WebAssembly
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
Microsoft PowerApps - Microsoft PowerApps provides tools to create, customize, share and run apps.
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!
Backand - Backand is a backend-as-a-service for AngularJS that provides out-of-the-box social login, push notifications, Ionic integration and more.
GoodBarber - GoodBarber is a mobile app creation platform.