Hey, my friends have organised a small-event in Paris:
http://squatconf.eu/
Talks:
https://github.com/squatconf/talks/tree/master/confirmed

will have a bunch of interesting hackers working on cryptography, web,
mesh networks, internet, ...
Pieter Hintjens will be there (see edgenet talk), hopefully Vinaj Gupta
too ( http://www.youtube.com/watch?v=_sGHNKHZP68 ).
also some well known hackers in there areas doing cool projects.
it's a free event, but we're not publicising it widely. Just making our
thing for technology activists.

You're all welcome & let me know any suggestions you might have too.
We're open to talks also.