Donorbox is a fundraising software that is easy to set up and attracts recurring donors. It offers a fast donation payment system and supports various payment methods. Donorbox enables users to embed optimized recurring donation forms on their website or use campaign fundraising pages. It also offers customization features, employer donation matching, and the ability to ask custom questions. Donorbox integrates with other tools and features like Salesforce, Mailchimp, Zapier, and PayPal donations.