Back in 2012, Mozilla launched Thimble, an online code editor for teaching the basics of HTML, CSS and JavaScript. Over time, though, things got pretty quiet around the project as other browser ...

The Codelobster free web language editor has been available for quite some time and has attracted many fans. It allows you to edit PHP, HTML, CSS and JavaScript files, and it highlights the syntax and ...

HTML Editor An interactive web-based HTML editor, featuring a split-pane interface with live previewing of HTML, CSS, and JavaScript.

It is written in HTML, CSS, and JavaScript, which run in a thin native shell, and supports 30-odd languages. Brackets extensions are also written in JavaScript and can call Node.js modules.

Today Adobe announced the 1.0 release of Brackets, the company’s open source text editor designed for developers who work with HTML, CSS, and JavaScript.

Reader Gina (not to be confused with editor Gina) needs a Windows- or Mac-compatible HTML editor that can handle cascading style sheets. NVU is the only open-source editor I know of, but its CSS ...

Thimble, which is part of Mozilla’s recently launched Webmaker project, is meant to help novice users write and edit basic HTML and CSS right in a web-based code editor.

jsFiddle lets developers play with the three core elements of Web development. Check out this powerful application for rapid prototyping and testing.