Concrator

Multi-tenant SaaS building blocks for .NET teams.

Identity, billing, notifications, localization, configuration, control. Composable services with a single tenant model. Pick what you need.

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Services

Identity

OIDC-compliant identity service with workforce SSO (local password OR Google/Microsoft/Entra federation) and end-customer CIAM in one issuer.

Identity Starter — Free

Configuration

Runtime per-tenant configuration registry that every Concrator service ships its schema to at deploy. Tenants override values from a unified admin UI.

Configuration Starter — Free

Notification

Transactional email delivery — bring-your-own Brevo / SendGrid / Mailgun key per tenant, or rely on the Concrator-managed sender out of the box.

Notification Starter — Free

Control

Feature flags + maintenance mode toggled per tenant from the admin UI.

Control Starter — Free

Billing

Stripe-backed billing engine. Vended standalone too — a customer can rent Billing alone to bill their own customers through Concrator.

Billing Starter — Free

Localization

i18n string registry with platform defaults, per-tenant overrides, and event-driven cache invalidation.

Localization Starter — Free