10 interesting open source software forks and why they happened
royal.pingdom.com
royal.pingdom.com
Lots of people have heard of Pingdom who ordinarily wouldn't; it just goes to show how a little effort making your website something more than just a corporate website can go a long way.
From what I have seen Pidgin developers are morose than normal. This clashed when they refused absolutely to listen to users who wanted at most an option to disable this effect from the options menu.
In the end this isn't about a text entry field its about developers who will listen and act on user input.
I think this is a nice article - but it can be summed up by: why do (open source) project fork? For lots and lots of reasons.
I guess the lesson is, if you're heavily invested in an open source project, you might want to think about how you'd deal with a (perhaps inevitable) fork.