Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
Snappify - snappify is a great tool to create and adjust beautiful code snippets easily.
Boostnote - Boostnote is an open-source note-taking app.
Vim - Highly configurable text editor built to enable efficient text editing
Snipt - Code snippets for teams.