More people are starting to handle their own crowdfunding. Lockitron got rejected by Kickstarter so they created an open-source app for it: http://selfstarter.us
Might be helpful to check out Lockitron co-founder Paul Gerhardt's views on self-hosted campaigns: https://news.ycombinator.com/item?id=6261442
This campaign for Lammily is powered by our open source tool CrowdtiltOpen (formerly Crowdhoster). We've taken Selfstarter's awesome groundwork and turned it into an end-to-end solution.