Orbit is open-source: github.com/andymatuschak/
I did this because my crowdfunding now feels increasingly solid. Patrons provide >2/3 of an NSF CAREER grant (a common "starter" grant in science). Made a (public) video reflecting on CAREER vs crowdfunding:
Conversation
The main "product-level" project we'll probably focus on for a while is creating a greater sense of fluidity and malleability in the experience, moving the "center of control" away from the author and towards the reader.
Starting to collect notes here: