Here are a few posts discussing SteemIt editors:

• https://steemit.com/steemit/@newandold/steemstyle-com-drag-and-drop-images-into-your-steemit-markdown

• https://steemit.com/steemit/@charlieshrem/annoncing-steempower-org-full-function-realtime-wysiwyg-markdown-editor-for-steemit-com

Steem on,
Mike