Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.

Notepad Online - Notepad online is a free online notepad website that allows you to create online notes, save notes, text edit, find and replace word, convert cases etc.

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.

OnlineNotepad.org - Free browser-based text editor

Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++

Shrib - Take notes online. 'Free and no login' or 'AI assistant, visitor stats, privacy and productivity': super simple, with publishing and markdown, share to all devices.