Is there any HTML5, CSS3 and JS tool that compiles your code, and turns it into a native mobile application?
I made a little research, and it looks like
phone gap one of them.
Which one do you use and why?
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I use ActiveState Komodo Edit, which supports HTML5 and CSS3 in version 6.0. Free download here.
There is also a notepad++ which i was using previously. You may look at that as well, it is also FREE.