The five comboboxes/dropdown lists that come with the Kendo UI for Angular toolkit let you get exactly the UI you want. But all of the components share their functionality so you don’t have to learn five different controls to leverage them all.
Kendo UI for Angular’s Rich Text Editor is probably exactly what you want to let your users enter formatted (though unstructured) text. But you’ve got lots of customization options if you want to take advantage of them to get exactly the editor you want.