Crust CRM (Corteza) is a modern, low‑code, open‑source CRM platform offering customizable pipelines, automation, and multi‑tenant architecture. Below is a curated list of 20 open‑source CRM solutions you can consider as alternatives.
Get targeted exposure with custom position pinning and highlighted placement.
Feature‑rich fork of SugarCRM Community Edition with sales, marketing, and support modules, plus extensive customization.
Lightweight, entity‑centric CRM with a clean UI, workflow automation, and a robust API for extensions.
Highly configurable CRM/ERP system built on Vtiger, offering sales, project, and help‑desk modules.
All‑in‑one CRM with sales automation, ticketing, and marketing tools; community‑driven and extensible.
Integrated CRM module within Odoo’s open‑source ERP suite; pipelines, lead scoring, and email integration.
Modular ERP/CRM solution for SMEs; includes contact management, sales pipeline, and invoicing.
Non‑profit focused CRM for managing contacts, contributions, events, and communications.
Open‑source ERP with a robust CRM module covering leads, opportunities, and customer support.
Gamified CRM built on Yii framework; offers sales automation, activity streams, and customizable dashboards.
Ruby on Rails‑based lightweight CRM with contact, lead, and opportunity management.
Highly extensible CRM with workflow automation, marketing automation, and a drag‑and‑drop form builder.
Enterprise‑grade CRM written in Java, supporting multi‑tenant deployments and extensive customization.
Part of the Axelor ERP suite; offers lead management, opportunity tracking, and integration with accounting.
Community‑maintained fork of Vtiger offering core CRM features without the proprietary extensions.
Open‑source help‑desk and CRM platform with ticketing, live chat, and sales pipeline features.
B2B‑focused CRM built on Symfony, offering advanced segmentation, marketing automation, and integration with OroCommerce.
Open‑source marketing automation platform with built‑in CRM capabilities such as lead scoring and contact management.
Standalone CRM mode of Dolibarr, focusing purely on sales pipeline, contacts, and activity tracking.