At one point, this meetup had about twelve people every month, but in the last two or three years it has gone down to one to three. We know there are people in the Boston area working at nonprofits, and who are using or considering using CiviCRM as an important part of their work. We would love for them to get together, but we don't have the time to organize the meetup anymore.
The FSF is willing to host the event in our office. If anyone wishes to take over meetings, our mailing list, meetup.com page (which predated our involvement -- we very much want the group to move away from this), and gettogether.community page are open to moderation by the new organizers.