Category
Best Open-Source Nonprofit CRM (2026)
The CRM for nonprofits tools in this directory that fit open-source nonprofit crm, ranked by our transparent editorial rubric. Every fact is source-cited, and no vendor can pay for a higher spot.
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- 1CiviCRMFree tier
CiviCRM is a free, open-source (AGPLv3) constituent relationship management system purpose-built for nonprofits, NGOs, advocacy groups, and civic organizations. Started in 2004 and released in 2005, it provides donor, membership, event, and email-campaign management and integrates tightly with WordPress, Drupal, Backdrop, and Joomla, deployable on your own infrastructure with no licensing fees.
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