Markdown
From DocDataFlow
Crawler.ID2MD is a Crawler-based software product which provides conversion from InDesign to Markdown syntax.
The product is available as a .zip archive. To install, you need to first decompress the .zip archive and get to a folder 'Crawler.ID2MD' which contains a file called Export.jsxbin.
Export.jsxbin is the script you'll need to run to activate Crawler.ID2MD.
Installation
To install Crawler.ID2MD, you first need to launch InDesign, and find the Scripts panel. If it is not visible, you can make it appear by means of the Window - Utilities - Scripts menu item.