One the reasons why I love about Automattic - is its freedom and community-driven development:

simplenote app

We are announcing today that all of the official Simplenote client apps are now Open Source Software under the GPLv2 license.

Automattic

As an avid notes keeper, I used to try various apps:

So far, Simplenote stayed longer than all of the above. Minimal UI, that has only what’s required to keep notes organised. Synchronisation on desktop/mobile devices with available apps