MarkLogic Server
Google Cloud Datastore
Datomic
Valentina Server
Datahike
Matisse
Oracle TimesTen
SAP MaxDB
Ionic Creator V2
Webiny
Thunkable
Kodular
Bubble.io
App Press
Meteor
BuildFire
MarkLogic ServerIonic Creator V2 is recommended for developers who want to quickly prototype apps, teams working on MVPs, and designers who wish to focus on UI and UX without diving deep into coding. It is especially useful for those already familiar with the Ionic Framework.
Google Cloud Datastore - Cloud Datastore is a NoSQL database for your web and mobile applications.
Webiny - The Enterprise CMS platform that you can host on your cloud
Datomic - The fully transactional, cloud-ready, distributed database
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Valentina Server - Valentina Server is 3 in 1: Valentina DB Server / SQLite Server / Report Server
Kodular - Much more than a modern app creator without coding