Write at least three software used to develop website?

Adobe Dreamweaver

Microsoft Frontpage

Notepad/Wordpad (for hard-coding)

PHP

Java Script

perl

Ruby

asp.net

.net framework

Flash

Java

WordPress

PHP

ASP

HTML

Joomla 

eclips

phpstorm

dreamwaver

visual studio

notpad++

PHP

DreamWave

WordPress

Web Page Maker

Dream Weaver

putty

asp.net

net beans3

firebug

HTML, Java script,dreamweaver, MUSE

Microsoft Web Expression, Adobe Dreamweaver, Visual Studio, Joomla, Wordpress, Notepad, Notepad++, NetBeans IDE, Telerik

software are different from languages as most people answering...

Software OR IDE (integrated development environment) is:

programming environment that has been packaged as an application program, typically consisting of a code editor, a compiler, a debugger, and a graphical user interface (GUI) builder.

IDE such:

• Adobe Dreamweaver
• Visual studio
• Eclips
• Phpstorm
• Phpdesigner
• Net beans

developing languages are such:

• C#
• Python
• Php
• Java
• javascript

Browser Rendering languages:

• Html
• CSS

plateforms:

• wordpress
• Joomla

frameworks:

• Zend
• Laravel
• symfony 

MS Visual Studio

PHP

Java

also what you need is in the last few years Eclipse or some of HTML5 tools.

java script,css,html ------>used together

c#,asp.net ----->used together by use visual stiduo

and now you can use python to develop website