Based on our record, Web AppBuilder for ArcGIS seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
It's a custom widget using Web AppBuilder Developer Edition. ESRI has a tutorial for building something like this that might help you get started. Source: about 3 years ago
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
Xamarin.Android - Integrated environment for building not only native Android but iOS and Windows apps too.
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.
Kodular - Much more than a modern app creator without coding
CKEditor 4 - CKEditor 4 is a rich text editor that enables you to write content inside of web pages or online applications.