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https://stackedit.io/editor is also a good place for starters.

I've got to admit, I like your's better...

I'm editing my post. ;) Thanks!

(Main reason I created this article, beyond helping others with an at a glance reference, was to use it as a quick reference for myself to quickly find ;)

I like stackedit because you can see the results side by side without having to scroll up and down all the time like with steemit's editor.

Absolutely - examples of just about anything one could imagine, too.

Interesting article on where Markdown may go - https://blog.codinghorror.com/the-future-of-markdown/