Marker is a markdown editor for linux made with Gtk+-3.0.

Are you drowning in information, but starving for knowledge? Where do you keep your private remarks like ideas, personal plans, gift tips, how-tos, dreams, business vision, finance strategy, auto coaching notes? Loads of documents, sketches and remarks spread around the file system, cloud, web and Post-it notes? Are you affraid of your knowledge privacy? Are you able to find then once you create them? Do you know how are they mutually related when you read or write them? No?

Fast: it's fast – really really fast! rocket
Customizable: configure every aspect of your prompt.
Universal: works on any shell, on any operating system.
Intelligent: shows relevant information at a glance.
Feature rich: support for all your favorite tools.
Easy: quick to install – start using it in minutes.