I want to love socrates.io but the fact that it doesn't support Markdown tables is an issue:
Socrates.IO Table: http://socrates.io/#YtM088D
Working Example: http://bit.ly/JbtMarkdownTable
Socrates.IO Table: http://socrates.io/#YtM088D
Working Example: http://bit.ly/JbtMarkdownTable
http://alexeev.org/gmailtex.html
Socrates is a website for writing instant Markdown and LaTeXing in the browser. It's hyperlink-shareable, no plugin required.
http://socrates.io/