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⭐️ Top 11 Open-source CRM Projects with the Most GitHub Stars

Discover the most popular open-source CRM projects on GitHub, ranging from lightweight tools to feature-rich enterprise-level solutions.

Zhang Lu |

This is our 4th in-depth discussion on CRM tools. In our previous article, “4 Powerful Open Source Alternatives to Salesforce (With Cost Comparison You’ll Love) ,” we compared open-source CRM solutions like EspoCRM, SuiteCRM, and Twenty against Salesforce, particularly focusing on differences in cost-effectiveness, features, and suitability for different scenarios.

Then, in “NocoBase vs Salesforce: who is your ideal CRM?” we compared NocoBase and Salesforce comprehensively, showcasing NocoBase’s flexibility and competitive edge as an open-source CRM solution through aspects like plugins & extensions, system integrations, security & permissions, and user experience.

Additionally, “Top 4 Custom CRM Case Studies (Helping You Choose a More Flexible CRM Solution)” highlighted how custom CRMs helped companies such as GemelSoft, Oneworld Accuracy, Agoda, and Finastra solve industry-specific challenges and improve business efficiency.

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This article will further explore the most popular open-source CRM projects on GitHub, ranging from lightweight tools to feature-rich enterprise-level solutions, each with its own unique features catering to different business needs. In this article, we will dive into the top 11 open-source CRM projects by star count:

  • Twenty: Featuring minimalist design and powerful API support, Twenty is ideal for small and medium-sized businesses looking to quickly set up a customer management system.
  • ERPNext: A comprehensive ERP platform with integrated CRM, finance, and inventory management, perfect for businesses looking for an all-in-one solution.
  • Monica: A user-centric open-source CRM aimed at individuals and small teams, with a focus on easy-to-use interfaces and robust contact management.
  • Huly: A flexible open-source project management tool that offers an all-in-one customizable approach, suitable for teams that require a customizable tool that scales with them over time.
  • NocoBase: A data-driven, no-code/low-code platform with a plugin architecture, enabling businesses to quickly build personalized CRM systems.
  • Krayin: A low-code open-source CRM that provides enterprise-grade features in an easy-to-use, flexible framework.
  • Akaunting: An open-source financial management tool that integrates CRM functionality, suitable for small businesses needing both customer and financial management support.
  • iDURAR: A CRM system focused on simplifying customer relationships and team collaboration, offering complete customer management features.
  • WuKong CRM: A Chinese open-source CRM designed for small and medium-sized enterprises, featuring multilingual support and extensive integrations.
  • Dolibarr: A comprehensive open-source ERP and CRM platform that provides full business process management for small and medium-sized businesses.
  • SuiteCRM: A robust open-source CRM system with full sales, marketing, and customer service automation, offering extensive customization and integration capabilities.

💡 Tips: If you’re unsure which key dimensions to consider when choosing a CRM tool, you can first read this article: Build CRM in Hours: Top No-Code/Low-Code Tools You Need to Know.

1.Twenty

⭐️ Stars: 24.4k

GitHub Link: https://github.com/twentyhq/twenty

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Twenty was born out of the team’s frustration with traditional CRM tools. As employees of small and medium-sized businesses, they were often overwhelmed by complex CRM systems that didn’t suit fast-growing companies. The team decided to create a “simple, lightweight, and efficient” CRM solution that would allow any business to easily manage customer data. Designed specifically for SMEs, Twenty aims to make customer data entry and sales tracking fast and intuitive through a streamlined interface and powerful backend support.

Features:

  • API Support: Offers extensive API interfaces to integrate with business systems like ERP, email marketing tools, and accounting software.
  • Data Privacy Protection: Customer data is stored on the company’s own servers, minimizing the risk of third-party data leaks.
  • Mobile Access: Built with responsive design, it supports mobile device access and operation.

Ideal Use Case:

Twenty is ideal for startups that want to quickly build a customer management system with limited budgets. It also suits small teams and individual entrepreneurs who need basic CRM functionality.

Pricing:

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2.ERPNext

⭐️ Stars: 22.6k

GitHub Link: https://github.com/frappe/erpnext

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ERPNext is a modular open-source ERP platform with an integrated CRM module that focuses on improving customer relationship management efficiency. It helps businesses optimize the customer journey by integrating key processes such as sales, customer support, and marketing.

Features:

  • Comprehensive Functionality: Besides CRM, it includes modules for finance, inventory control, production planning, and procurement management.
  • Highly Customizable: Users can customize fields, workflows, and reports based on business needs and extend functionality using Python and JavaScript.
  • Strong Community Support: With an active developer and user community, ERPNext offers extensive online resources, including documentation, tutorials, and a plugin library.

Ideal Use Case:

ERPNext is best suited for medium to large enterprises that need a comprehensive business management system and want to reduce reliance on multiple standalone software tools.

Pricing:

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3.Monica

⭐️ Stars: 22k

GitHub Link: https://github.com/monicahq/monica

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Monica is a user-centered open-source CRM tool designed primarily for individuals and small teams. Its main goal is to help users manage customers and contact information through a simple interface with powerful record-keeping capabilities.

Features:

  • Intuitive Contact Management: Tracks all interactions and key events with clients, offering built-in calendar and task management tools for scheduling follow-ups.
  • Lightweight: Ideal for single users or small teams with low installation and usage costs.
  • Privacy First: Data is stored locally or on the company’s private cloud servers.

Ideal Use Case:

Monica is especially suitable for individual entrepreneurs, freelancers, and small teams that prioritize privacy and need efficient customer relationship management.

Pricing:

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4.Huly

⭐️ Stars: 18.1k

GitHub Link: https://github.com/hcengineering/platform

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Huly is an open-source project management tool focused on flexibility. Its all-in-one approach allows businesses to customize features according to their needs, effectively reducing unnecessary complexity and costs.

Features:

  • Integrated information management: Includes internal tools for task tracking, knowledge management, contacts management and collaboration tools.
  • Customizable processes: Teams can design their own system processes to reflect their real workflows, allowing for seamless management of any kind of project.
  • Collaboration tools: Integrated virtual office with video calls and chat and real-time collaborative editing of resources.

Ideal Use Case: Huly is well-suited for teams of any size, especially those who require a customizable tool that scales with them over time.

Pricing:

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5.NocoBase

⭐️ Stars: 13.2k

GitHub Link: https://github.com/nocobase/nocobase

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NocoBase is an open-source, highly extendable no-code/low-code CRM tool that focuses on data-driven models and flexible plugin systems, offering businesses highly customizable customer management solutions.

Features:

  • No-code/Low-code Platform: Quickly build the needed functionality with drag-and-drop components, lowering the entry barrier. Non-technical users can easily create and manage complex CRM workflows.
  • Powerful Plugin System: Users can install ready-made plugins or develop custom plugins to meet specific business needs.
  • Data Model-Driven: Allows businesses to create and manage data models based on their specific business logic, ensuring the CRM system structure aligns with actual enterprise requirements.
  • Flexible Workflow Automation: Supports condition-based automation rules to enhance work efficiency.
  • Multi-language and Permission Management: Supports multilingual features and includes a powerful permission management system to ensure sensitive data security.

Ideal Use Case:

NocoBase is ideal for small to medium-sized businesses and teams with limited resources who need a fast, customizable CRM system. It is also suited for companies dealing with complex business processes that require highly personalized and flexible CRM systems.

💡 Read More: Top 4 Custom CRM Case Studies (Helping You Choose a More Flexible CRM Solution)

Pricing:

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6.Krayin

⭐️ Stars: 12.1k

GitHub Link: https://github.com/krayin/laravel-crm

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Krayin is an open-source CRM based on the Laravel framework, focusing on providing highly scalable customer management systems with a flexible code architecture and feature modules.

Features:

  • Comprehensive Customer Management: Includes core modules such as client records, sales opportunity management, task assignments, and scheduling.
  • Highly Customizable: Allows for field configuration, module expansion, and workflow automation.
  • Secure and Reliable: Provides granular permission management and role configuration.

Ideal Use Case:

Krayin is suitable for small to medium-sized businesses that want to deploy CRM systems quickly using open-source tools, especially those with technical teams that require deep system customization.

7.Akaunting

⭐️ Stars: 8.2k

GitHub Link: https://github.com/akaunting/akaunting

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Akaunting is a full-featured open-source financial management tool that also provides CRM functionality, helping businesses streamline both financial and customer relationship management tasks.

Features:

  • Financial and CRM Integration: Seamlessly connects customer relationship data with financial information, supporting invoice generation, payment tracking, and more.
  • Modular Design: Supports on-demand installation of plugins such as advanced reporting and multi-currency support.
  • Multi-language and Multi-currency Support: Ideal for businesses operating internationally.

Ideal Use Case:

Akaunting is perfect for small businesses that need to manage both customer relationships and financials, especially those looking to integrate multiple core functions in a single tool.

8.iDURAR

⭐️ Stars: 6.8k

GitHub Link: https://github.com/idurar/idurar-erp-crm

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iDURAR is an open-source CRM system focused on simplifying customer relationships and team collaboration, offering comprehensive customer management features, including customer profile management, sales opportunity tracking, and support request management.

Features:

  • Task and Collaboration Tools: Built-in task management and team collaboration features to efficiently manage cross-department workflows and customer interactions.
  • Flexible Sales Pipeline Management: Helps businesses track sales opportunities and forecast revenue.
  • Highly Customizable: Supports custom fields, modules, and workflow configurations.

Ideal Use Case:

iDURAR is ideal for small businesses that need to enhance team collaboration efficiency, particularly those looking to manage sales and customer support workflows with simple tools.

9.WuKong CRM

⭐️ Stars: 6.4k

GitHub Link: https://github.com/WuKongOpenSource/WukongCRM-11.0-JAVA

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WuKong CRM is a Chinese open-source CRM tool designed for small and medium-sized enterprises, offering core features like customer management, sales pipelines, customer support, and marketing automation.

Features:

  • Localization Support: Adapts to the Chinese market, supporting Chinese characters and local payment systems.
  • Multi-platform Integration: Supports integration with existing ERP systems, email systems, and social media platforms (such as WeChat and Weibo).
  • Comprehensive Feature Modules: Provides full support from customer management to marketing automation.

Ideal Use Case:

WuKong CRM is particularly suited for small to medium-sized enterprises in China that need a quick CRM deployment with localization and integration with local platforms.

10.Dolibarr

⭐️ Stars: 5.6k

GitHub Link: https://github.com/Dolibarr/dolibarr

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Dolibarr is a feature-rich open-source ERP and CRM platform that offers end-to-end support for everything from customer management to financial management.

Features:

  • Modular Design: Users can select feature modules based on their needs, avoiding unnecessary functionality.
  • Plugin Marketplace: Provides a rich collection of third-party plugins that can extend functionality, such as electronic signatures, contract management, and advanced reporting.
  • Cross-platform Deployment: Compatible with various operating systems and server environments, making implementation and maintenance easier.

Ideal Use Case:

Dolibarr is ideal for small and medium-sized businesses that need to integrate multiple business functions, especially those looking to manage customer relationships, inventory, and finances with a single platform.

11.SuiteCRM

⭐️ Stars: 4.6k

GitHub Link: https://github.com/salesagility/SuiteCRM

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SuiteCRM is an enterprise-level open-source CRM solution known for its powerful features and high scalability.

Features:

  • Comprehensive Functionality: Includes sales automation, marketing automation, customer service support, and contract management for end-to-end customer relationship management.
  • Powerful Reporting Tools: Built-in reporting and dashboard tools help businesses monitor key performance indicators (KPIs) in real time, optimizing business decisions.
  • Community Support: An active developer community provides abundant plugins and resources.
  • API Support: Provides REST APIs for easy integration with third-party systems.

Ideal Use Case:

SuiteCRM is perfect for medium to large enterprises that need complex customer relationship management features, especially those looking for highly customized solutions to meet business needs.

💡 Read More: