Maintainers III : policy, practice and care will be held October 6-9th in Washington DC. Amongst the 4 tracks of the event, one track will be dedicated on OSS maintenance practice over 3 days of unconference.
You are welcome to attend and register, and sustain the event by being a partner. http://themaintainers.org/miii
Glad to answer your questions if any! (I am part of the steering committee)