Best software communities?

[zridling]

There are quite a few communities and services built around software (notably extensions and plugins). For example, Firefox and Opera provide skins and extensions; WordPress has themes and plugins; Drupal is essentially is built for extensibility; and Eclipse has just about anything you can build on top of the platform. Extensibility alone is a major factor in the success of many open source projects.
[attach]

[tomos]

So which software apps/projects have the best supported and most vibrant communities?

I'd say FARR at the moment

[Deozaan]

ScreenShot Captor. 

[40hz]

So which software apps/projects have the best supported and most vibrant communities?

I'd say FARR at the moment

I'll second that. FARR is the best by....umm... far?
(OMG!!! Cranioscopical's rubbing off on me!!! )

2nd best is probably Ubuntu.

3rd place goes to Debian.

[zridling]

Yea, I should have certainly included DC's donationware. There's no better feedback mechanism online than here.

[Lashiec]

The Miranda and foobar2000 communities are excellent, particularly the former, with a very helpful support "staff" (if they can be called like that). It's even more remarkable when you consider no one is making any profit from those projects.

[bropt]

ubuntu, debian, cmsmadesimple http://www.cmsmadesimple.org