A note-taking application designed for simplicity, speed and customisability

MarsNote Logo

MarsNote is an easy to use, lightweight note-taking application. Featuring rich text formatting of notes and a modern user interface, MarsNote is perfect for individuals who need to organise their notes efficiently.

Download for Windows now for free, or click the help button to find out how to use MarsNote.

Version 1.1.0

MarsNote on GitHub

Patch Notes

Version 1.1.0 — 02 Mar 2017

  • New
  • Notes can now be searched for by name in the notes pane.
  • Added context menus to folders and notes.
  • Added always on top setting.
  • Folders can now be pinned.
  • Notes can now be duplicated.
  • Improved
  • First folder/note is automatically opened when profile/folder is switched.
  • Deleting profiles now only requires confirmation text to be typed when they contain at least one folder.
  • Tab characters can now be entered as part of note content.
  • Folders and notes can now be moved to different profiles and folders respectively via the 'Move to...' context menu action.
  • Improved general application efficiency.
  • Fixed
  • Reduces a problem where notes would be excessively saved to file.
  • Fixed a bug where note content text selection would disappear when a button in the toolbar was pressed.

Version 1.0.5 — 28 Oct 2016

  • New
  • Help link was added to direct to the MarsNote FAQ.
  • Improved
  • Moved folder rename button from the bottom of the pane to on each folder on hover.
  • Fixed
  • Improved efficiency of code and fixed some bugs.

Version 1.0.4 — 02 Oct 2016

  • Improved
  • Visually redesigned some buttons.

Version 1.0.3 — 01 Oct 2016

  • New
  • You can now use an advanced colour picker to choose a note colour.
  • Improved
  • Updated context menus to a modern style.

Version 1.0.2 — 29 Sep 2016

  • Improved
  • Note items in the notes pane have been redesigned.
  • The user defined accent colour is now more prominent on the UI, with borders around the editor controls.
  • Fixed
  • Fixed a problem where the selected folder loaded from a previous state was not visible if the list of folders was too long.

Version 1.0.1 — 20 Sep 2016

  • Improved
  • Changed framework target to .NET 4.6.1 to improve performance.

Version 1.0.0 — 19 Sep 2016

  • New
  • Initial release.

System Requirements


  • Microsoft Windows Vista/7/8/8.1/10 operating system (English, French, German or Spanish system language)
  • .NET Framework v4.6.1 or higher
  • Intel Celeron processor or better
  • 1GB RAM
  • 10MB of free hard disk storage


  • Intel Core i3 processor or better
  • 2GB RAM


Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Summary - This is a human-readable summary of (and not a substitute for) the license.

You are free to:

  • Share — copy and redistribute the material in any medium or format
  • Adapt — remix, transform, and build upon the material

Under the following terms:

  • Attribution — You must give appropriate credit (to ACW Technologies), provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • NonCommercial — You may not use the material for commercial purposes.

Unless you receive explicit permission from ACW Technologies, this license applies as soon as any MarsNote material is acquired.