I was interested in the relative numbers of LAVA developers using different "frameworks" or types of architecture. Apologies, my list of poll options shows my biases towards a message-passing, actor-ish, style of architecture.
Sorry, I seem to have forgotten to allow more than one option, so you'll have to pick the the best answer and explain more in a post.
I pick "Messenger Library", though as I developed that, my honest answer is that I use my own internal framework.