Hostile takeover of Open Source Project TWiki
blog.wikiring.com
blog.wikiring.com
Its not even as if he could make a proprietary fork of the project; being GPL, such a thing is impossible unless you purge all code contributed by all other developers who refuse to go along with such a license.
however, I also know well how the TWiki community works and wouldn't have expected that the original founder would act like this. TWiki in practice was owned by the community (much alike Debian)