Create and use variables like [%username%] as noneditable things in the content.
The Style plugin creates a dropdown list of predefined styles that can be applied to blocks.
This plugin adds the ability to reorder blocks in the editor.
The Block Code plugin allows to edit separately the code of each block in the popup.
Insert HTML and SVG icons to the content.
The Inline Format plugin allows to markup the selected text with inline tags and also remove the format in the text.