Open-Source Alternatives to Copper

Fat Free CRM is an open-source customer relationship management platform built on the Ruby on Rails framework. It provides a centralized interface for managing sales pipelines, tracking leads, contacts, and business opportunities, and organizing organizational data through custom fields, tags, and team-based groupings. The platform is designed as a modular business application that supports extensibility through a plugin system and the ability to integrate as a Rails engine within existing projects. This architecture allows for dynamic schema extensions, enabling users to define custom data f

Erxes is a self-hosted business operating system that integrates marketing, sales, and customer support operations into a unified platform. It serves as an AI agent orchestrator, a business process automation tool, and a comprehensive suite for managing customer relationships and omnichannel experiences. The platform distinguishes itself through a self-hosted infrastructure model that ensures total ownership and privacy of organizational data. It features an AI orchestration framework that uses retrieval augmented generation to allow agents to reason over internal workspace data for automatin

This project is an open-source customer relationship management platform that functions as a low-code application development framework. It provides a unified interface for tracking sales pipelines, managing customer interactions, and automating lead routing. The platform is built to serve as a business process automation tool, allowing users to define custom data structures and workflows to streamline operational tasks. The system distinguishes itself through its metadata-driven architecture, which enables dynamic form generation and relational document modeling. By utilizing server-side scr

This project is a modular, open-source customer relationship management platform built on the Laravel framework. It serves as a comprehensive business application framework designed for tracking sales pipelines, managing business entities, and automating marketing workflows. By providing a self-hosted solution, it enables organizations to maintain full control over their contact data, sales leads, and communication history. The platform distinguishes itself through a highly extensible architecture that allows developers to modify core behavior without altering the underlying source code. It u

SuiteCRM is an open source customer relationship management platform and PHP web application. It serves as a customizable business suite designed for managing sales, marketing, and service operations within a self-hosted environment. The platform provides tools for tracking leads and sales pipelines, organizing customer contact information, and managing customer support tickets. It also includes capabilities for marketing campaign automation and business process automation to handle repetitive administrative tasks. The system supports visual customization through custom themes and includes s

EspoCRM is an open-source customer relationship management platform and SQL-based business application. It serves as a centralized web interface for tracking leads, opportunities, and contacts, providing a sales pipeline manager and a customizable business logic engine. The platform is distinguished by its ability to function as a custom business application builder, allowing for the creation of tailored entities and automated workflows. It integrates marketing automation tools for campaign coordination and a structured customer support ticketing system for case management. The system covers

Monica is a self-hosted personal relationship manager and CRM designed to track personal and professional connections. It functions as a contact management system and personal information manager, providing a centralized repository for detailed contact profiles, interaction logs, and relationship history. The system distinguishes itself by focusing on the nuances of personal connections, including gift cataloging, debt tracking, and personal journaling. It features a time-triggered notification system for scheduling contact reminders, such as birthdays and follow-up intervals. Broad capabili

Twenty is a headless customer relationship management framework that enables developers to build, version, and deploy custom business applications using code. By utilizing a declarative approach to data modeling, the platform allows for the definition of custom objects, fields, and complex relationships directly within the source code. This schema-driven architecture automatically generates corresponding REST and GraphQL APIs, ensuring that data structures and interface components remain synchronized across development and production environments. The platform distinguishes itself through a m

Dolibarr is an open-source business suite and integrated PHP web application designed for ERP and CRM management. It serves as a centralized system for tracking company activities, including sales, invoicing, stock, and accounting. The platform combines financial accounting, human resources management, and web-based inventory tracking. It provides tools for managing general ledgers, bank accounts, employee timesheets, and product catalogs alongside manufacturing orders and warehouse stock levels. The software covers a broad range of operational areas, including customer relationship manageme

Oatpp is a high-performance C++ web framework and API development kit used for building REST APIs and web services. It functions as an asynchronous HTTP server that utilizes coroutines to handle thousands of simultaneous connections without blocking threads. The toolkit includes a native C++ object-relational mapping layer for executing SQL queries and transforming database results into data objects. It also provides a WebSocket communication library for establishing full-duplex channels to support real-time data streaming and live media. The framework covers a broad range of capabilities, i

Restangular is a REST client and resource mapper for AngularJS applications. It provides a suite of tools for mapping API endpoints to local objects and collections, facilitating frontend CRUD implementation through standard HTTP methods. The project distinguishes itself through an async data binding system that links user interface elements to server-side objects, ensuring automatic updates upon request completion. It also features a programmable request interceptor pipeline for modifying headers and transforming responses, as well as a JSONP request handler to bypass same-origin policy rest

This project is a self-hosted cloud storage server and content collaboration platform implemented as a PHP web application framework. It functions as a centralized server for storing, synchronizing, and sharing files and data across multiple devices. The system operates as a WebDAV file server and a synchronization server for scheduling and contact information using CalDAV and CardDAV protocols. It features a plugin architecture that allows the server to be extended with additional applications and custom features. The platform provides capabilities for user and group access management, exte