Open Source Markdown Editor used by Stack Overflow

StackEdit is a free, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites. You can manage multiple Markdown documents online or offline, export your documents in Markdown or HTML and format it using a template, synchronize your Markdown documents in the Cloud.

You can also edit existing Markdown documents from Google Drive, Dropbox and your local hard drive. You can publish your Markdown document on GitHub, Gist, Google Drive, Dropbox or any SSH server, share a link to a Markdown document that renders it in a nice viewer.

Requirements: –
Demo: http://benweet.github.io/stackedit/
License: Apache License