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.
Adobe Dreamweaver - Adobe Dreamweaver is a proprietary web development tool developed by Adobe Systems.
Kodular - Much more than a modern app creator without coding
VisualEditor - VisualEditor gives you the ability to edit without needing to learn wikitext markup, as is required by the default wikitext editor.