I prefer my IDE to be more clunky, thus .. Geany. And the WP Autocomplete add-on (or whatever one likes to call it) has been around for quite some time ..

.. tried Atom though. Several times. Buggy, crashy, sloppy, slooooow loading performance. Nope. Back to Geany. Works on any platform OOTB. Secondary IDE is Netbeans though.

But I guess, for Apple Followers, Atom is THE thing ..

@Matt: So .. uhm .. yeah? Why do we have that "now"? We already have been having that for ages. Above mentioned Geany, for example. Or Eclipse (which IMNSHO is a total PITA, but still - Open Source IDE; AFAIR Aptana Studio is based on it, too). Or the afforementioned Netbeans. All fancyful shiny IDEs, cross-platform, reliable, working, with browser components of your choice (at least with Netbeans, and with a bit of work, also with anything Eclipse-based).

cu, w0lf.