| Price from | $1.08/mo | Free |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | Yes |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 15 | 1 |
| Spec score · CRM Software | 9.3 (#11) | 8.6 (#55) |
| AI features | Yes | No |
| Founded | 2009 | 2004 |
| Free plan | No | Yes |
| Integrations | Nutshell says it connects with more than 5,000 applications through native, marketplace, Zapier and open-API options. | It provides Java and Swagger-compliant REST APIs, plus WebDAV, CalDAV, and CardDAV adapters. |
| Marketing automation | Yes | Yes |
| Visual sales pipeline | Yes | The sales pipeline tracks deal progress and interactions, supports customizable sales processes, and can integrate with an existing ERP application. |
| Security | Customer data is stored on Amazon Web Services, encrypted at rest and accessed through 256-bit TLS 1.2; billing data is handled by a PCI-compliant provider. | The product describes role-based security and a system-wide audit trail as enterprise features. |
| Support | Every plan includes free live support, trial data migration assistance and onboarding. | Community support is free and best effort; paid professional support is available through openCRX affiliates. |
