MoonClerk - You're just 5 minutes away from accepting recurring payments and one-time payments online. Explore for Free. No credit card required.
Agilon One - Agilon One is a Nonprofit CRM software solution that connects and gathers information on constituents.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Donorhut - Donorhut offers cloud fundraising software for charities and non-profits of any size.