Rigel
Rigel: Open-source, etcd-backed configuration with runtime edits and change notifications. Ranked #31 of 41 in Configuration Store Software by our editors (6.3/10); pricing: Free plan; best for teams already using etcd for runtime configuration.
At a glance
- Editor score6.3 / 10
- PricingFree plan
- Best forTeams already using etcd for runtime configuration
- Free planYes
- Paid fromFree
- Deployment modelSelf_hosted
- Facts checked23 Oct 2026
Where it wins
- Typed values with runtime editing through a browser admin interface
- Near-real-time change notifications help avoid application restarts
- Change history records user identity and timestamps
Where it doesn't
- No rollout controls for staged or gradual configuration changes
- Go and Java client libraries limit native client options
- No AI features for configuration workflows
Our verdict on Rigel
Rigel is an open-source configuration store for large, distributed applications. It stores typed configuration parameters in etcd distributed database clusters and gives authorized administrators a browser-based interface for editing values while applications are running. Connected application instances can receive near-real-time change notifications, avoiding restarts or configuration-file reloads. Teams operating distributed services, particularly those already standardized on etcd, get a focused configuration layer with web, API, and self-hosted access.
Its ecosystem fit centers on etcd, with integrations for Remiges IDshield and Remiges LogHarbour. Rigel exposes REST access and supplies Go and Java client libraries, while the service runs as a containerized component. The combination of typed values, runtime updates, and history entries containing user identities and timestamps supports controlled operational changes and review. An internal IAM system provides access control, and the published category specifications identify RBAC and audit logs. This makes Rigel a practical match for organizations that want application configuration connected to an existing etcd and Remiges environment.
Rigel is available under the Apache License 2.0, and Remiges states that its open-source products carry no licence fees. Teams should still plan for deployment and operation of the service and its etcd storage layer. The product does not provide rollout controls, so staged or gradual releases require surrounding operational processes. Native client coverage is centered on Go and Java, with other applications expected to use REST. Choose Rigel when etcd-backed runtime configuration, identity-aware history, and change notifications are priorities; consider another configuration platform when built-in rollout management or broader client support is essential.
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Rigel pricing
Rigel fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment model | Self_hosted |
| Version history | Yes |
| Runtime updates | Yes |
| Rollout controls | No |
| Access control level | Rbac |
| Audit logs | Yes |
| Consistency model | Not verified |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: etcd, Remiges IDshield, Remiges LogHarbour |
| Pricing | Free plan |
| Website | remiges.tech |
| Facts checked | 23 Oct 2026 |
Rigel integrations
Rigel lists 3 integrations on its own site.
- etcd
- Remiges IDshield
- Remiges LogHarbour
Alternatives to Rigel
- AWS AppConfigManaged configuration with guarded rollouts, validation, monitoring, and rollback.9.3
- Azure App ConfigurationGoverned Azure settings with revision control, staged flags, and tiered quotas.9.2
- Firebase Remote ConfigA flexible remote configuration service with staged releases, rollback, and a no-cost tier.9.1
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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