OutSystems - Build Enterprise-Grade Apps Fast.
Oracle Mobile Application - Oracle Mobile Application framework or Oracle Mobile Application development platform is a hybrid mobile framework for rapidly developing single source applications for many platforms and devices.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
AppGyver Composer - Visual enterprise-grade low code mobile app builder
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
Mendix - Mendix is the fastest and easiest low-code platform used by businesses to create and continuously improve mobile and web apps at scale.