FreeFunder is recommended for individuals and small groups looking to fundraise for personal causes, charity, community projects, or small business ventures where budget constraints are a concern and retaining as much of the raised funds as possible is a priority.
Google Open Source - All of Googles open source projects under a single umbrella
Charitable - A WordPress donation plugin that gives you full control over your fundraising experience.
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GiveForms - Your Go-to Digital Fundraising Platform
Code NASA - 253 NASA open source software projects
Give - A WordPress plugin for easily collecting donations