MozFest, The Mozilla Festival, is in London October 21-27
I went a couple years ago and met a bunch of folks doing really interesting work. A lot of the same people are also involved in…
The Nonprofit Software Development Summit is in Oakland, USA, November 6 to 8.
I’m not aware of OpenMRS developers near either of these places, but who knows. I might go to one or the other, and would be interested in meeting up if anyone else will be there!