Asikart Markdown Editor helps me to edit plain-text document in Joomla i.e. title, status, language, etc. The advantageous of using Asikart Markdown Editor is that it is a FREE extension and it has more features.
Twitter Widget Slider is an excellent widget for all Twitter users. It is a jQuery-based extension that is suitable for all major platforms. By far, this Twitter widget makes me happy in gaining access to my Twitter feeds. Really amazing!
Using Magic Window, it helps me to create, edit and manage Joomla articles with the article editor, edit title, category, status, access level, front page and language. It is very useful editor tool and I found it nice.