Getting started with Standard Notes for encrypted note-taking: 
Standard Notes is a simple, encrypted notes app that aims to make dealing with your notes the easiest thing you’ll do all day. When you sign up for a free sync account, your notes are automatically encrypted and seamlessly synced with all your devices.
There are two key factors that differentiate Standard Notes from other, commercial software solutions:
read more: Opensource.com mobitar
Supporting Open Source.
Have you tried: Visiting Port Elizabeth?