Upload Download rate controls, seeding controls, and tools for viewing who is accessing your files. Kazaa and Frostwire integrated these features before being shut down. It was a really nice feature (users could even ping each other,
AdminVuze (CEO / Founder, Vuze) commented
Vuze already has up/down global controls, limits when seeding only, rates per download, rates per tag... What are you looking for?
There are quite a few seeding rules under Tools->Options->Queue