Webdeveloper
https://addons.mozilla.org/en-US/firefox/addon/60
http://chrispederick.com/work/web-developer/
Perhaps the most complete list editor.
Firebug
https://addons.mozilla.org/es-ES/firefox/addon/1843
http://getfirebug.com/
Can edit, debug, and monitor CSS, HTML and JavaScript to any page at this time.
EditCSS
https://addons.mozilla.org/es-ES/firefox/addon/179
Allows you to edit CSS styles and try them on time before applying them.
ViewCSS
https://addons.mozilla.org/en-US/firefox/addon/2104
Simply shows the css styles of the selected item to any page.
ColorZilla
https://addons.mozilla.org/es-ES/firefox/addon/1843
ColorZilla adds to Firefox a contagotes to capture any color on display.
http://quanta.kdewebdev.org/
Web page editor, html, javascript, css.
Platform: GNU / Linux, KDE environments
LICENSE: GNU
PRICE: Free
http://www.w3.org/Amaya/
WYSIWYG editor for HTML and CSS and browser. Follow the W3C standards. Supports HTML 4.01, XHTML 1.0, XHTML Basic, XHTML 1.1, HTTP 1.1, MathML 2.0, many CSS 2 and SVG.
PLATFORMS: Windows, Mac OS X and UNIX platforms
LICENSE: GNU
PRICE: Free
http://www.aptana.com/
Aptana is an integrated development environment (IDE) for developing dynamic applications for the Web.
Supports AJAX, Java Script, DOM, HTML, CSS, has a debugger integrated, provides upload, download data synchronization and FTP / SFTP.
Allows you to visually edit the application. It is useful for editing Web 2, customize WordPress themes or other content systems.
OPERATING SYSTEMS
Windows (32 and 64 bit), Mac 10.4 +, Linux 32-bit 64-bit Linux GTK and as a plug-in for Eclipse (which is based Aptana).
LICENSE
GPL
PRICE
Community Edition Version: Free
Pro: $ 99 (provides additional features and support)
http://www.kompozer.net/
Kompozer is a complete system for editing web pages derived from NVU, another application for editing web-based editor of Mozilla, who had stopped developing.
Kompozer combines the management of all files in the website and ease of use of WYSIWYG (in English "What You See Is What You Get") for editing. It is designed to be extremely easy to use, making it the ideal tool for those without much technical knowledge that designers want to create a website without knowing HTML or web programming details. Those who are accustomed to using Dreamweaver or NVU is comfortable with the interface and options KompoZer.
Includes editor CSS.
OPERATIURS SYSTEMS: Windows, Mac, Linux.
SIMILAR: NVU, Dreamweaver.
INSTALLATION: Easy
LICENSE: GNU
PRICE: Free
http://www.nvu.com
DESCRIPTION
The Nvu is a complete system for editing web pages, based on the Mozilla editor, combining the management of all elsfitxers site and ease of use of WYSIWYG (del'anglès "What You See Is What You Get") for editing.
The NVU is designed to be extremely easy to use, making it the ideal tool for those computer users who want to know sensemassa create a web sensenecessitat to know HTML or web programming details.
The NVU has shortcomings in terms of editing with css, which has been improved with Kompozer, NVU derived from the program.
SIMILAR
Dreamweaver.
OPERATING SYSTEM
Exists in versions for Linux, Macintosh and Windows having the X11.
FORMATS
HTML
I NSTAL.LACIÓ
Its installation is simple.