appenguin - Turn the most complex web application or website to into an Android app in minutes, for free!
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
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.
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!
Andromo - Android app maker software.
Dropsource - Mobile development platform for building native iOS & Android apps