Curated list of the top open‑source CRM platforms that help nonprofits track donors, manage fundraising campaigns, and nurture relationships without licensing fees.
Get targeted exposure with custom position pinning and highlighted placement.
Purpose‑built for NGOs, CiviCRM offers donor management, contribution tracking, event registration, email marketing, and robust reporting—all integrated with Drupal, WordPress, or Joomla.
A full‑featured fork of SugarCRM, SuiteCRM includes modules for contacts, donations, campaigns, and volunteer management, with customizable dashboards for nonprofit metrics.
Modular ERP/CRM with a dedicated ‘Donations’ app, enabling donor segmentation, recurring gifts, and integration with accounting and email automation.
Lightweight open‑source ERP/CRM that supports donor records, contribution tracking, and event management, with a simple UI suitable for small nonprofits.
Flexible CRM with a customizable entity model; nonprofits can create a ‘Donor’ entity, track pledges, and automate thank‑you emails via workflow rules.
Feature‑rich CRM offering contact management, donation modules, campaign analytics, and multi‑language support, ideal for international NGOs.
Open‑source Vtiger provides contact and donor management, fundraising campaign tracking, and email templates, with a familiar Outlook‑like interface.
Gamified CRM that lets nonprofits track donor interactions, set fundraising goals, and reward staff for engagement milestones.
Lightweight Ruby on Rails CRM focused on contact management; can be extended with plugins for donation tracking and reporting.
Enterprise‑grade CRM with robust data model, supporting donor lifecycle management, recurring gifts, and detailed analytics.
Open-source CRM with a visual workflow builder; nonprofits can design donation pipelines, automate acknowledgments, and generate custom reports.
Modular platform built on the Crust Stack; includes contact management, campaign tracking, and integration with email marketing tools.
Comprehensive ERP with a built-in CRM; the ‘Donor’ doctype lets NGOs manage contributions, pledges, and generate tax receipts.
Although no longer officially maintained, the community edition still offers donor contact management, campaign tracking, and customizable modules.
A community‑driven fork of the original CleverReach CRM, providing donor list segmentation, email automation, and integration with payment gateways.