Webiny - The Enterprise CMS platform that you can host on your cloud
B4X - Cross platform development tools for native iOS, Android, desktop and server applications.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.
Apache Cordova - Platform for building native mobile applications using HTML, CSS and JavaScript
Kodular - Much more than a modern app creator without coding
RhoMobile - RhoMobile is a based on the Rhodes open-sources framework that has a massive range of advanced development tools for creating data-centric, native mobile consumer, cross-platform and enterprise application.