The following are some easy web development software.
front page, dreamweaver, notepad ++, Visual studio, eclipse, PS pad
The easiest among them could be subjective. If you ask me I would say Dreamweaver. Hope this helps.
Sorry, but that's a rather vague and general question.
If you read the stickies at the top of this forum, you'll find a list of text editors:
and a more general list of software:
If those threads don't answer your question, then please feel free to post again with a more specific question. Meanwhile, thread closed.