Nutshell CRM

Best Self Hosted Alternatives to Nutshell CRM

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

Nutshell CRM is a cloud-based sales CRM for managing contacts, leads, pipelines and deals. It provides sales automation, email marketing, quoting, messaging, reporting and AI-driven insights, plus integrations and onboarding support.

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
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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#3
SuiteCRM

SuiteCRM

Community-driven open-source CRM providing sales, marketing, service, reporting, workflow automation, REST API and on-premises or hosted deployment.

SuiteCRM screenshot

SuiteCRM is an open-source Customer Relationship Management platform that provides sales, marketing and service modules to manage customer data, processes and reporting. It is maintained by SuiteCRM Ltd and the broader community as a fork/continuation of legacy SugarCRM code. (suitecrm.com)

Key Features

  • Sales automation: leads, opportunities, quotes and pipeline management.
  • Marketing: campaign management and targeted segmentation.
  • Service & case management: ticketing and customer support workflows.
  • Reporting & dashboards: configurable reports and visual metrics.
  • Workflow and process automation with rule-based triggers and scheduled tasks.
  • REST API and plugin architecture for integrations and add-ons.
  • Multi-language and multi-currency support for international deployments.
  • Compatibility with PHP and common LAMP components (Apache, MySQL/MariaDB). (github.com)
  • Public demo instances available for SuiteCRM 7 and SuiteCRM 8 for evaluation. (suitecrm.com)

Use Cases

  • Replace or reduce reliance on proprietary CRMs (Salesforce, Dynamics) by adopting an open-source platform.
  • Centralise customer data and automate sales, marketing and support processes across teams.
  • Build bespoke integrations or extensions using the REST API and modular plugin system.

Limitations and Considerations

  • SuiteCRM 8 introduces a modern front-end and development toolchain; front-end development requires Node.js, yarn and Angular (development tools not required for production runtime). Plan for developer-tooling and testing when customizing the new UI. (docs.suitecrm.com)
  • Major migrations (for example from SuiteCRM 7.x to 8.x) require following the official migration guides, testing in a development environment and careful handling of custom code and data; the migration process may need manual steps and file replacements. (docs.suitecrm.com)

SuiteCRM is a full-featured, community-driven CRM suitable for organisations that need ownership and extensibility of their CRM platform. It supports both self-hosted and hosted deployment options and provides formal commercial support and assurance programs through SuiteCRM Ltd.

5.2kstars
2.3kforks
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#4
EspoCRM

EspoCRM

A PHP-based open-source CRM providing contacts, leads, pipelines, workflows, dashboards and extensible integrations for sales and support teams.

EspoCRM screenshot

EspoCRM is an open-source CRM application implemented as a PHP backend with a single-page frontend and a REST API. It provides core CRM objects (contacts, accounts, leads, opportunities) and a metadata-driven platform for customizing entities, layouts and business logic.

Key Features

  • Core CRM modules: contacts, accounts, leads, opportunities, products and pipelines (Kanban view).
  • Customization: Entity Manager, custom fields, layout editor and JSON-schema-based metadata for IDE autocompletion.
  • Automation & workflows: formula scripting, scheduled actions and BPM/workflow extension capabilities.
  • Integrations: REST API plus built-in/connectable integrations for calendar, email, Outlook, Google, MailChimp, Zoom and third-party automation tools.
  • Reporting & analytics: dashboards, advanced reports and data export tools.
  • Security & access: role-based access control, field-level permissions, 2FA, LDAP/OpenID Connect support and auth logs.
  • Deployment options: official Docker images, Docker Compose examples, Traefik/Caddy deployment guides and web server support.
  • Extensibility: commercial and community extensions (packs for advanced reporting, sales, project management, VoIP, etc.).

Use Cases

  • Manage sales pipelines, track leads/opportunities and produce sales reports for small and midsize businesses.
  • Run customer support with ticketing, email-to-case automation and a customer portal.
  • Build bespoke business applications by extending entities, adding integrations and automating processes.

Limitations and Considerations

  • Several advanced capabilities (Advanced Pack, Sales Pack, specific integrations) are provided as paid, per-instance extensions and may require purchase for full functionality.
  • The project is licensed under AGPLv3; organizations planning to redistribute or build competing SaaS should review license implications.
  • Some deeper customizations and large-scale integrations may require developer expertise (PHP, metadata and DI knowledge).

EspoCRM is suitable for teams that need a customizable, open-source CRM platform with modular paid extensions and production deployment options. The project emphasizes extensibility, REST integration and metadata-driven customization.

2.7kstars
789forks
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#5
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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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