Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
MIT App Inventor - App Inventor is a cloud-based tool, which means you can create apps for phones or tablets right in your web browser.
BlackBerry Hub - Download a free trial of BlackBerry Hub+ apps for Android phones running Lollipop 5.0 or higher. Boost productivity with BlackBerry Hub+ Inbox, Calendar, Launcher and more.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.
Maqtoob - Discover business tools