MySocialApp - Seamless Social Networking features for your app
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
AppsGeyser - Appsgeyser is the easiest to use DIY native mobile app creation platform.
Manyverse - A social network off the grid
Fupio - Decentralized Autonomous Zone
Median.co - Median.co (formerly GoNative.io) is the industry leading solution used to build iOS and Android webview apps. Get started for free and turn any website into a full-feature mobile app in seconds.