Decision.io - Decision.io is an interesting platform that provides you the simple features to develop the app or an integrated workflow without using any program language or code.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
RapidClipse - RapidClipse is a web-based development platform that allows you to build the app with Java and provides you with a hustle-free configuration.
Flatfile - The new standard for data import
Codeless Platforms - Codeless Platforms is a web-based platform that allows you to develop various applications and business processes without any coding and programming.
Blazor - An experimental web UI framework using C#/Razor and HTML, running in the browser via WebAssembly