Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
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.
GNOME - An easy and elegant way to use your computer, GNOME is designed to put you in control and get things done.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.