There is only a 1-level hierarchy based on a top level account. Sean created 'petsc' for our stuff. We can create many, so that we have 'petsc-release', 'petsc-private', etc. if we want. Of course, I want traditional hierarchy, and will file a feature request.

If you phrase it like that ("traditional hierarchy"), then it will fall on deaf ears. The most I could see them adding is a way to create repo groups based on user groups (which exist currently). If you want your own personal collection of repos right-fucking-now, then fork the repos you want into your own account, like so: https://bitbucket.org/seanfarley/petsc-dev The nice thing about this is that you can tell where it was forked from: "(fork of petsc / petsc-dev)"