Garrett D'Amore, who was previously a maintainer and is also the maintainer of mangos, returned in April on the condition he be BDFL.
Re:ZeroMQ 4.2.0
by qwertyuiop924 on Friday November 04, 2016 @05:34PM
(#12876345)
last commit 9 days ago: It's active.
Re:ZeroMQ 4.2.0
by omginternets on Friday November 04, 2016 @02:25PM
(#12874745)
Ah, I missed it.
The mangos project seems to be alive and well, in any case.
Because two 'main' maintainers so far abandoned it quite publicly, maybe someone picked it up afterwards.