HyperEdit is an application for Apple's Mac OS X

Mac OS X

Mac OS X is a series of Unix-based operating systems and graphical user interfaces developed, marketed, and sold by Apple Inc. Since 2002, has been included with all new Macintosh computer systems...

 developed by Jonathan Deutsch.

The software is primarily targeted at Web developer

Web developer

A web developer is a software developer or software engineer who specializes in, or is specifically engaged in, the development of World Wide Web applications, or distributed network applications that are run over HTTP from a web server to a web browser....

s, combining a HTML

HTML

HyperText Markup Language is the predominant markup language for web pages. HTML elements are the basic building-blocks of webpages....

 (including CSS

CSS

-Computing:*Cascading Style Sheets, a language used to describe the style of document presentations in web development*Central Structure Store in the PHIGS 3D API*Closed source software, software that is not distributed with source code...

), PHP

PHP

PHP is a general-purpose server-side scripting language originally designed for web development to produce dynamic web pages. For this purpose, PHP code is embedded into the HTML source document and interpreted by a web server with a PHP processor module, which generates the web page document...

 and JavaScript

JavaScript

JavaScript is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It is a multi-paradigm language, supporting object-oriented, imperative, and functional programming styles....

 editor in one lightweight program. Like many similar programs, it offers (customizable) syntax highlighting for the aforementioned weblanguages. This increases the legibility of code, due to changes in color and/or font.

Some notable features include: W3C validation (underlines mistakes in red), JavaScript debugger, code snippets, color swatches palette, StartUp Items (to load specific documents on start-up) and live preview. The latter feature is considered particularly useful, because this enables the user to view the webpage while typing. This works for both HTML (with JavaScript, if enabled in Safari) and PHP sites on Mac OS X 10.3 and above.

To display webpages, Safari

Safari (web browser)

Safari is a web browser developed by Apple Inc. and included with the Mac OS X and iOS operating systems. First released as a public beta on January 7, 2003 on the company's Mac OS X operating system, it became Apple's default browser beginning with Mac OS X v10.3 "Panther". Safari is also the...

 is used, which has a rendering engine

Rendering engine

Rendering engine may refer to:*Game engine, a software system designed for the creation and development of video games*Ray tracing , a technique for generating an image by tracing simulated rays of light...

 named (WebKit

WebKit

WebKit is a layout engine designed to allow web browsers to render web pages. WebKit powers Google Chrome and Apple Safari and by October 2011 held over 33% of the browser market share between them. It is also used as the basis for the experimental browser included with the Amazon Kindle ebook...

). This engine complies with most common standards and is believed to be one of the fastest available for Mac.

HyperEdit is available as Shareware

Shareware

The term shareware is a proprietary software that is provided to users without payment on a trial basis and is often limited by any combination of functionality, availability, or convenience. Shareware is often offered as a download from an Internet website or as a compact disc included with a...

, and a free demo with some limitations is available at the Developer's website for download.

PHP 5

It is possible to deploy the latest version of PHP, namely 5.x, on HyperEdit for Mac OS X v10.4

Mac OS X v10.4

Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Tiger was released to the public on 29 April 2005 for US$129.95 as the successor to Mac OS X Panther , which had been released 18 months earlier...

and above.