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.
Smart Compose in Gmail - Write emails faster with Smart Compose in Gmail
Boostnote - Boostnote is an open-source note-taking​ app.
Text Case - Format any raw text on iOS and more đź“ť
Day One - A simple journal application for the Mac, iPhone, and iPad. AboutTo learn more about Day One, see these two excellent reviews . PublishPublish is not available in Day One 2.
Email Hunter for Chrome - Find all the emails related to a domain with just one click