Springboard / Jackson River
Jackson River provides Drupal and Salesforce consulting services to nonprofits. Jackson River is the lead architect of the nonprofit distribution, Springboard.
Springboard™ is an open source online fundraising, advocacy and marketing platform built on Drupal and Salesforce. Springboard™ natively integrates with the Salesforce Non Profit Starter Pack (NPSP), or any force.com based donor management system. It can also be adapted to work with most, if not all, CRMs.
http://www.gospringboard.com/ and http://www.jacksonriver.com/