CiviCRM - A Constituent relationship management for the Civic Sector
ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.
Planning Center - Find the information you need to follow up with your congregation and gain insight into your church members, all in one place.
Agile CRM - Agile CRM (Customer relationship management) features modern CRM with marketing automation, social suite & web analytics, allowing small businesses to sell and market like the Fortune 500.
NetSuite for Nonprofits - NetSuite for Nonprofits is a cloud-based donor management system for your nonprofit or social organization.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.