Nimble CRM

Best Self Hosted Alternatives to Nimble CRM

A curated collection of the 5 best self hosted alternatives to Nimble CRM.

Cloud-based CRM that centralizes contacts, email, social profiles, communication history, and sales pipelines for small teams. Provides contact management, email integration, task and follow-up tracking, pipeline management, and basic reporting and automation.

Alternatives List

#1
Twenty

Twenty

Twenty is an open-source CRM alternative to Salesforce with customizable data models, views, permissions, and workflow automation for sales and customer management.

Twenty screenshot

Twenty is an open-source CRM designed as a modern alternative to Salesforce for managing customer relationships, sales pipelines, and internal workflows. It focuses on a fast UI, flexible data modeling, and automation so teams can adapt the CRM to their processes.

Key Features

  • Customizable objects and fields to fit your business data model
  • Multiple views for records, including filters, sorting, grouping, kanban, and table layouts
  • Role-based permissions to manage user access with custom roles
  • Workflow automation with triggers and actions
  • Built-in features for day-to-day CRM work such as tasks and rich notes
  • APIs and webhooks support for connecting external systems

Use Cases

  • Run a sales pipeline CRM for leads, accounts, contacts, and deals
  • Centralize customer data and collaboration for a growing team
  • Automate CRM processes and sync events across internal tools using webhooks

Limitations and Considerations

  • Extensibility is evolving; a mature plugin ecosystem may not be available yet

Twenty is well-suited for teams that want ownership of their CRM data and the ability to customize workflows deeply. It aims to combine a modern user experience with the flexibility needed for fast-changing business requirements.

38.9kstars
5kforks
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#2
Monica

Monica

Monica is an open-source personal CRM to manage contacts, track interactions, set reminders, and keep a private diary about your relationships.

Monica screenshot

Monica is an open-source personal relationship management (PRM) web application for documenting your life and staying on top of important details about friends, family, and other relationships. It works like a CRM, but designed for personal use and private record keeping.

Key Features

  • Contact management with notes, important details, and custom fields
  • Relationship mapping between contacts
  • Reminders, including automatic birthday reminders
  • Activity and interaction logging, plus task tracking
  • Address and communication channel management for each contact
  • Diary/journal to record daily events and how your day went
  • Document and photo uploads associated with contacts
  • Labels/favorites to organize and highlight key people
  • Multi-user and multi-vault support for separating data
  • Multi-language interface and configurable types (e.g., activities, genders)

Use Cases

  • Keep a personal “CRM” for family and friends to remember key dates and life events
  • Track interactions and follow-ups for networking and long-term relationships
  • Maintain a private life log combining journaling with contact history

Limitations and Considerations

  • Not a social network and does not provide social posting or feeds
  • No built-in AI assistant features or automatic suggestions

Monica is well-suited for individuals who want a structured, private system to organize relationship information and day-to-day memories. It focuses on simple, intentional tracking rather than social or automated behavior.

24.1kstars
2.4kforks
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#3
Krayin CRM

Krayin CRM

Krayin CRM is an open-source, self-hosted customer relationship platform built on Laravel and Vue.js for sales pipelines, marketing automation, multi-channel support and extensibility.

Krayin CRM screenshot

Krayin CRM is an open-source customer relationship management platform designed for SMEs and enterprises. Built on Laravel (PHP) with a Vue.js frontend, it provides modular CRM capabilities for sales, marketing, support and integrations.

Key Features

  • Sales management: leads, deals, pipelines, activities and opportunity tracking.
  • Marketing automation: campaign management, email templates, segmentation and basic automation workflows.
  • Customer support: inbound call/VoIP support, live chat/messaging channels and ticketing workflows.
  • Data & analytics: reporting, dashboards and export/import with deduplication tools.
  • Extensibility: modular architecture with extensions marketplace and a package system for custom modules.
  • Access control: role- and ACL-based permissions and audit trails for governance.
  • Integrations: built-in connectors and parsing for email (SendGrid), social/messaging channels and external systems.
  • Developer-friendly: documented API, developer portal, Docker installation guidance and templates for package creation.
  • Platform requirements & tooling: PHP (8.1+), Node tooling for frontend build, and support for common SQL backends.

Use Cases

  • Manage and visualize B2B sales pipelines with custom fields and activity tracking.
  • Run segmented marketing campaigns and track campaign performance alongside CRM records.
  • Operate multi-channel customer support (phone, chat, messaging) and centralize tickets and call logs.

Limitations and Considerations

  • Several advanced capabilities (multi-tenant SaaS, VoIP, WhatsApp connectors and some enterprise features) are offered as paid extensions rather than included in the core OSS package.
  • Installation and customization require familiarity with Laravel/PHP, Node-based frontend tooling and server configuration; recommended resources and docs exist but setup is non-trivial for inexperienced users.
  • Minimum recommended server resources and specific PHP/DB versions are required for production deployments.

Krayin CRM is a modular, developer-oriented CRM intended for teams that want an extensible, self-hosted solution. It is suited to organizations that need customizable CRM workflows and are able to manage and extend a Laravel-based stack.

20.8kstars
1.3kforks
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#4
Relaticle

Relaticle

Next-generation open-source CRM for managing contacts, companies, tasks, and sales opportunities with a modern UI and customizable fields.

Relaticle screenshot

Relaticle is an open-source CRM platform for managing customer relationships, sales opportunities, and internal collaboration in a modern, customizable system. It is built for teams that want control over their data and the flexibility to adapt the CRM to their processes.

Key Features

  • People and company management with detailed profiles and relationship linking
  • Sales pipeline and opportunity tracking with configurable stages
  • Task management with assignment and activity tracking
  • Notes and organization linked to contacts, companies, and opportunities
  • No-code custom fields and customizable data model with validation
  • Multi-workspace / multi-team support with role-based permissions
  • CSV import and export for data migration and backup workflows
  • AI-powered summaries and insights based on stored interactions (where configured)

Use Cases

  • Small and mid-sized businesses replacing spreadsheets with a structured CRM
  • Agencies managing multiple client workspaces with separate permissions
  • Laravel teams needing a CRM foundation they can extend and customize

Limitations and Considerations

  • AI features depend on external model/provider configuration and availability
  • Designed around the Laravel/Filament ecosystem, which may limit extensibility for non-PHP stacks

Relaticle combines core CRM functionality with a modern Laravel-based architecture and strong customization capabilities. It suits teams looking for a practical CRM they can tailor, operate, and evolve alongside their business needs.

1kstars
92forks
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#5
Atomic CRM

Atomic CRM

Open-source CRM for contacts, deals, tasks, notes, and activity tracking, built with React and Supabase and designed to be customized by developers.

Atomic CRM screenshot

Atomic CRM is an open-source, full-featured customer relationship management (CRM) application built with React and Supabase. It provides core sales CRM functionality while remaining developer-friendly for building tailored CRM experiences.

Key Features

  • Contact management with searchable, centralized records
  • Deal pipeline management with a Kanban-style board
  • Tasks, reminders, and note-taking linked to customers and deals
  • Email capture workflow to store communications as notes
  • Import/export tools for moving contact data in and out
  • Access control with support for external identity providers (via OIDC)
  • Activity history and aggregated activity logs
  • API-first backend provided by Supabase (Postgres + REST)
  • Developer-centric customization: custom fields, theming, and replaceable UI components

Use Cases

  • Small teams needing a self-managed CRM for contacts, deals, and follow-ups
  • Agencies or SaaS teams building a customized CRM on top of a ready-made base
  • Internal sales ops tools requiring auditability and integrations via an API

Limitations and Considerations

  • Customization is primarily code-driven (no full graphical customization UI)
  • Production setup depends on correctly configuring Supabase services (auth, database, storage)

Atomic CRM fits teams that want a modern CRM foundation with a React UI and a Postgres-backed backend. It is especially suitable when you need to extend the data model and UI components to match a specific workflow.

705stars
466forks
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Why choose an open source alternative?

  • •Data ownership: Keep your data on your own servers
  • •No vendor lock-in: Freedom to switch or modify at any time
  • •Cost savings: Reduce or eliminate subscription fees
  • •Transparency: Audit the code and know exactly what's running