Komodo is the best IDE I’ve ever used. It does cost a fair chunk of change. But the license works on Mac OS X, Linux, or Windows. All at the same time, too, if you’re a multi-boot worker.
It’s extensible, too, which means you can make it even better.
Migration Score
GREAT
Migration Options
Native Version Available
No need to migrate- you're all set.
How Good is the Linux App?
App name should be marketable
Has a nice app icon
Uses Tango icon guidelines
Slick UI that's fun to use
Killer feature people talk about
Good-looking website
Top-level domain name
Site has FAQs for users
Site has a User forum
Site has a way to contact the developers
Packages for Ubuntu, Fedora, and openSUSE