Moneda CLI - Command line to track cryptocurrency prices
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Aurox - Designed to help traders make successful trades
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
CryptoLogg - Shows price change of crypto since the last time you checked
Standard Notes - A safe place for your notes, thoughts, and life's work