Houdini is an all-in-one fundraising platform developed in Ruby on Rails. It’s licensed under AGPL/LGPL and is available, without cost, to anyone in the world. Houdini allows you to quickly build and deploy anything from simple donation forms for individual nonprofits, to fully featured crowdfunding sites for startups. Developers from around the world are collaborating to make fundraising infrastructure better for everyone. Join our friendly and helpful community, or contact us if you have a project in mind.