Notepad++

A free and straightforward Windows-compatible text editors for developers to create and revise source code

Sublime Text

A flexible and highly customizable code editor with many features that's compatible with multiple programming languages

Visual Studio Code

Test, manage, debug, and build modern software applications on Mac OSX, Windows, or Linux in multiple languages

UltraEdit

Powerful text editing application for Windows; able to handle data files up to 4 GB

Atom

Take better control of your desktop editor and also manipulate the CSS with this program

Brackets

A text editor from Adobe that lets front-end web developers and design embed custom fonts directly into the browser

TextPad

Text editing application for Windows; highly ideal for handling large files as well as coding projects

BBEdit

Text and HTML editing tool designed for the Macintosh operating system

CodePen

Share front-end web projects with other designers and preview your code on demand with an intuitive IDE

Leafpad

Simple and easy to use text editor based around the GTK+ windowing kit