Houdini is open source fundraising software
We help nonprofits, people, and movements thrive and maintain themselves.
Donation Processing
Accept donations through your website with customizable and high-performance donation forms. Easy and flexible.
Fundraising Campaigns
Raise funds for any cause or occasion with all of the crowdfunding features you could need, including peer-to-peer.
Professional Events
Manage everything from workshops to large fundraising galas, including mobile payments for large events.
Donor Management
Graduate to a new standard in donor stewardship using social insights, and save yourself from headaches.
Everything you need in one place
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.
Try it for yourself
Feel free to explore the features yourself by creating a demo account here: https://commitchange.com