#Barncamp is happening again this year! https://barncamp.org.uk/
Not sure what the program is yet, but cool things that have come out of it in the past are the "tech tools for activism" booklet
https://network23.org/ttfa/booklet and http://network23.org blog site https://indy.im/attachment/128295 https://indy.im/attachment/128296 https://indy.im/attachment/128297