Ralph review
A flexible self-hosted asset and infrastructure system with a narrower dependency-mapping fit.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Ralph is an open-source asset management, data center infrastructure management, and CMDB system from Allegro. It is intended for organizations managing data-center and back-office hardware, with coverage for asset purchases, ownership, lifecycles, services, environments, and deployment context. The web and API interfaces support teams that want to operate the system on premises rather than adopt a hosted service. Its strongest audience is organizations seeking open-source control over infrastructure records and asset lifecycle processes.
Ralph’s feature depth is concentrated around asset operations and data-center management. Built-in visualization helps represent data-center equipment, while configurable lifecycle workflows and transitions support operational processes. Custom fields can be attached to supported object types, and the REST API allows records to be queried and updated. Cloud asset synchronization and a data-center equipment discovery module extend coverage beyond manually maintained inventories. Integrations with OpenStack, AWS, Puppet, and Ansible also make Ralph a practical fit for mixed infrastructure environments.
Deployment and project posture are important considerations. Ralph is designed for self-hosting through Ubuntu packages or Docker, so organizations must provide and maintain the operating environment. The published project model is sources-only and does not provide guarantees, which may matter to buyers seeking a commercially backed service. Ralph should suit teams that prioritize open-source asset lifecycle tracking, visualization, workflows, and API access. Teams whose main requirement is detailed dependency mapping, or who prefer managed deployment and guaranteed support, should consider a different CMDB approach.
Ralph pros and cons
- Where it wins
- Tracks purchases, ownership, lifecycles, services, and environments
- Provides visualization, workflows, custom fields, discovery, and cloud synchronization
- REST API plus OpenStack, AWS, Puppet, and Ansible integrations
- Where it doesn't
- Self-hosted deployment requires Ubuntu packages or Docker
- A narrower fit for teams centered on dependency mapping
- Sources-only development is provided without guarantees
Ralph fact sheet, pricing and score →
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