Microsoft PowerApps!

Wakanda is an open source full-stack JavaScript platform to develop and deploy mobile & Web apps in the enterprise. With Wakanda, you can visually create your data model, associated CRUD operations to user groups, and your data is right away available through an automatically generated REST API. You can use Wakanda’s JavaScript client side connectors to consume the API without effort whether you are using Angular, React, Aurelia or another framework.

WaveMaker is an award winning rapid application development and delivery platform that helps create enterprise grade web and mobile apps. With over 10 years of market presence, thousands of developers use it to create applications 67% faster. It caters to enterprise through its offering - WaveMaker Enterprise and also to small businesses through its public SaaS platform - WaveMaker Online. Apart from having a visual drag-and-drop builder, some of the key features are:

AppGini is a program that helps you develop web database applications instantly. You do not need to have any programming background to use it. Just define your database, set some options, click the Generate button, and you're done!

OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.

Develop database-oriented business Apps on Mac, Windows and Linux. Deploy on the Desktop, Web and Mobile devices.

AppFlower makes it Rapid and Easy to build Business Applications with our Development Framework. Create applications in minutes without Coding – it's that easy! Use the AppFlower visual designer to create stunning applications, with drag-and-drop. Start without any prior knowledge of application development and deliver on time.

The leading cloud platform for business apps: you can use the App Cloud platform to build all of your apps and websites quickly and easily.

We’re a business application platform to call your own! Accelerate Business Processes & Create Line of Business Apps. No programming required.

Noobeek allows the user to create a new application in a few seconds (invoicing for example). The user can add modules (invoices, orders, customers, products, etc.), and add fields, references or list in each module. The application is ready to use from the very starts, from a browser, with a special UI for mobile and with the application and the data stored in the cloud.

Open As App is a platform that simplifies the app creation process for businesses by using a spreadsheet or Google Docs Sheet to automatically generate a relevant app based on the data.

Build, brand and sell custom web-based business applications. Rollbase is a cloud platform that allows rapid creation of software as a service (SaaS) applications using point-and-click, drag-and-drop tools in a standard web-browser.