tell me if available any other software like dreamweaver but free availabilty?
There are many free ones. What platform are you on?
A few off the top 'o me head:
Aptana Studio
Notepad++
Crimson Editor
Text-wrangler
NetBeans
KompoZer
Komodo edit
Try several features of NetBeans, like coding time typing hints.
And the best of all, remind of the @todo lines within the multi-lined comments.
PHPEdit is also a good replacement.
But dreamweaver gives good design mode.
There are many editors available which can be alternative for Dreamweaver. You can select them from below…
Amaya
Bluefish Editor
Screem
Quanta Plus
I heard good things about NVU but have no experience with it.
Tried nvu, small, no installer, …
Interface looks like a variant of eclipse, which is probably not.