OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Bizness Apps - Create your own app or become a reseller and build apps for others
Microsoft PowerApps - Microsoft PowerApps provides tools to create, customize, share and run apps.
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
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!