IRS--IRS website for Charities and other Non-Profits

IRS Tax Basic Training for Exempt Organizations--Online Educational Resources for Tax Exempt Organizations

PayPal donation tools--collect donations from a button on your website, or even using a link in an email!

GiftWorks, donor management software--GiftWorks is complete fundraising software, tracking multiple donations and pledge payments for every donor.

Donor Manager--free donor management software.  The Donor Manager is a free, Windows based program designed to help missionaries keep track of information about their ministry partners