OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Azure App Service - App Service is a cloud platform to build powerful web and mobile apps that connect to data anywhere, in the cloud or on-premises
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
Adobe ColdFusion - Adobe ColdFusion is a platform to rapidly build and deploy web and mobile applications
zeroqode - Build your app up to 10x faster with no-code app templates
Skuid - Skuid lets you create custom Salesforce apps, portals and sites.