Modern CRMs
Twenty has a customizable data model, no-code workflows, and REST, GraphQL, and MCP APIs. Relaticle is a self-hosted CRM with built-in AI chat and an MCP server with 37 tools, where you bring your own AI keys.
Alternatives / Suite CRM
4 open-source alternatives
4 Best Open Source Suite CRM Alternatives in 2026
Looking for an open source SuiteCRM alternative? We compared 4 open source CRMs by license, AI features, and maintenance. Twenty is the most modern, EspoCRM is the most mature, Krayin is Laravel-based, and Relaticle adds AI chat and an MCP server.
Written by Maxime DERAME
Last updated:
Best Suite CRM alternatives at a glance
| Alternative | Best for | License |
|---|---|---|
| Twenty | Modern customizable CRM | AGPL-3.0 + commercial files |
| Krayin CRM | Laravel CRM with forecasting | MIT |
| EspoCRM | Mature customizable CRM | AGPL-3.0 |
| Relaticle | CRM with AI chat and MCP | AGPL-3.0 |
How we chose these Suite CRM alternatives
We looked for open-source CRMs that manage contacts, deals, and pipelines like SuiteCRM. We verified each project's license, recent activity, stars, and self-hosting in its repository. See our methodology for the full criteria.
Mature options
EspoCRM covers contacts, companies, projects, and opportunities with over a decade of development, cloud or self-hosted. Krayin is a Laravel CRM with lead tracking, deals, and forecasting.
Important: commercial parts
Twenty has some files under a commercial license, and its cloud plan costs $9 per user per month, with row-level permissions in the Organization plan.
License details
Twenty, EspoCRM, and Relaticle are AGPL-3.0, with commercial files in Twenty. Krayin is MIT.
Maintenance status
All four had commits within days of this update.
Why look for a Suite CRM alternative?
SuiteCRM is itself open source, but teams look elsewhere for a more modern interface, simpler setup, or different technology. The alternatives here differ in stack and in how much they bundle.
twenty.com
Twenty is a CRM for technical teams with customizable data models, no-code workflows, and an MCP server, positioned as an alternative to Salesforce and HubSpot. It is mostly AGPL-3.0, with some files under a commercial license. It can be self-hosted or used as a managed cloud.
58.8K9.6KAGPL-3.0 + commercial filesSelf-hosted
Pricing: Free self-hosted; cloud from $9 per user per month.
- Custom data models and no-code workflows
- MCP server and AI support
- Large and active community
- Some files are under a commercial license
- Self-hosting requires maintenance
krayincrm.com
Krayin is an open-source Laravel CRM with lead tracking, deal management, sales forecasting, marketing automation, VoIP and live chat integrations, and analytics, suited to B2B and real estate teams.
24K1.7KMITSelf-hosted
Pricing: Free and open source; paid extensions and support.
- Lead and deal tracking with forecasting
- MIT license
- Laravel stack that is easy to extend
- Fewer modern AI features
- Some extensions are paid
espocrm.com
EspoCRM manages contacts, companies, projects, and opportunities with sales pipelines, flexible deployment, customizable workflows, and an intuitive interface, either self-hosted or in the cloud.
3.5K1KAGPL-3.0Self-hosted
Pricing: Free self-hosted; paid cloud hosting and extensions.
- Mature and refined
- Flexible deployment and customization
- Active development
- Interface looks more traditional than Attio
- Some extensions are paid
relaticle.com
Relaticle is a self-hosted CRM with an AI chat assistant, an MCP server with 37 tools for external agents, custom fields, role-based permissions, a REST API, and voice input, with no per-seat pricing.
1.8K221AGPL-3.0Self-hosted
Pricing: Free and open source.
- Native AI assistant and 37 MCP tools
- Custom fields, roles, and REST API
- No per-seat pricing
- Young project
- AGPL-3.0 license
Compare Suite CRM alternatives
| Alternative | Type | License | Self-hosted | Best for |
|---|---|---|---|---|
| Twenty | CRM | AGPL-3.0 + commercial files | Yes | Technical teams |
| Krayin CRM | CRM | MIT | Yes | Laravel users |
| EspoCRM | CRM | AGPL-3.0 | Yes | General CRM |
| Relaticle | CRM | AGPL-3.0 | Yes | AI-assisted CRM |
Which one should you choose?
Want the most modern interface
Twenty has custom data models, workflows, and APIs including MCP.
Want a mature option
EspoCRM has over a decade of development.
Want AI agents to drive the CRM
Relaticle exposes 37 MCP tools to external agents.