ShareText.net text editor (http://ckeditor.com/) updated to latest version. Improved many features, but i will accent only main things. Suggestions or bugreports are always welcome to email firstname.lastname@example.org or to twitter @flashblish
Insert QR code into your article
Format your pasted Code, with code snipped. Support for a lot of programming languages.
SELECT * FROM MyTable
Create screenshot from web page. And Insert it into your article.