'Neighboring Tribes' Box in Tribe Sidebar
It would be useful to have another customisable box under the rules where tribe chiefs can enter a number of relevant or 'sister' tribes. This should not be free text, but a search/selection like snap submission.
This would be incredibly useful for linking tribes, helping to jump start some cross-pollination between communities, and promoting a sense of camaraderie.
For instance, I might like swimming, but not know that /t/diving, /t/scubadiving and /t/synchronizedswimming exist (the last two don't, btw ;P). This way, when I visit /t/swimming, I would see these related tribes in the sidebar.