Diagram Template Gallery
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SaaS Three-Tier Platform
Core SaaS web stack with UI, service, cache, and persistent storage. Starter template grounded in the Three-layer Architecture D2 syntax pattern.
SaaS Three-Tier Platform (Operations)
Core SaaS web stack with UI, service, cache, and persistent storage. Operations variant that adds authentication boundaries and observability telemetry capture.
SaaS Three-Tier Platform (Enterprise)
Core SaaS web stack with UI, service, cache, and persistent storage. Enterprise variant that adds analytics export and backup lifecycle handling.
Event Worker Pool Topology
Queue-based asynchronous processing with horizontally scaled workers. Starter template grounded in the Queue and Worker Pool D2 syntax pattern.
Event Worker Pool Topology (Operations)
Queue-based asynchronous processing with horizontally scaled workers. Operations variant that adds scheduled ingestion and dead-letter replay controls.
Event Worker Pool Topology (Enterprise)
Queue-based asynchronous processing with horizontally scaled workers. Enterprise variant that adds capacity metrics and upstream throttling alerts.
Multi-Tenant Boundary References
Nested service boundaries with parent-reference dependencies. Starter template grounded in the Nested Boundaries with References D2 syntax pattern.
Multi-Tenant Boundary References (Operations)
Nested service boundaries with parent-reference dependencies. Operations variant that adds additional internal service fan-out and authorization context flow.
Multi-Tenant Boundary References (Enterprise)
Nested service boundaries with parent-reference dependencies. Enterprise variant that adds partner-feed ingress and outbound report integration.
Gateway-Centric Service Bundle
API gateway entrypoint with auth, billing, and notification services. Starter template grounded in the Gateway and Downstream Bundle D2 syntax pattern.
Gateway-Centric Service Bundle (Operations)
API gateway entrypoint with auth, billing, and notification services. Operations variant that adds rate-limiting and audit trace collection.
Gateway-Centric Service Bundle (Enterprise)
API gateway entrypoint with auth, billing, and notification services. Enterprise variant that adds event bus fan-out for downstream notifications.
Active-Active Regional Cluster
Dual-region topology with shared global entry and mirrored persistence. Starter template grounded in the Symmetric Cluster Topology D2 syntax pattern.
Active-Active Regional Cluster (Operations)
Dual-region topology with shared global entry and mirrored persistence. Operations variant that adds replication stream and conflict resolution paths.
Active-Active Regional Cluster (Enterprise)
Dual-region topology with shared global entry and mirrored persistence. Enterprise variant that adds standby disaster-recovery region and drill access.
Partner Integration Boundary Map
Boundary map for partner feeds, internal edge controls, and persistence. Starter template grounded in the Boundary Map with Notes D2 syntax pattern.
Partner Integration Boundary Map (Operations)
Boundary map for partner feeds, internal edge controls, and persistence. Operations variant that adds SIEM routing and runbook-driven incident response.
Partner Integration Boundary Map (Enterprise)
Boundary map for partner feeds, internal edge controls, and persistence. Enterprise variant that adds cache hot-path and threat-intel enrichment flows.
Customer Identity ERD
Identity data model for accounts, sessions, and profile records. Starter template grounded in the Minimal ERD D2 syntax pattern.
Customer Identity ERD (Operations)
Identity data model for accounts, sessions, and profile records. Operations variant that adds profile ownership relationships tied to account lifecycle.
Customer Identity ERD (Enterprise)
Identity data model for accounts, sessions, and profile records. Enterprise variant that adds login event telemetry linked to account and session history.
Commerce Order FK Chain
Order-domain relational chain across customer, order, item, and payment entities. Starter template grounded in the FK Chain Model D2 syntax pattern.
Commerce Order FK Chain (Operations)
Order-domain relational chain across customer, order, item, and payment entities. Operations variant that adds shipment lifecycle tables that extend order fulfillment lineage.
Commerce Order FK Chain (Enterprise)
Order-domain relational chain across customer, order, item, and payment entities. Enterprise variant that adds refund and reconciliation entities linked to payments.
Subscription Domain Classes
Class model for subscription lifecycle and billing entities. Starter template grounded in the Class Basics D2 syntax pattern.
Subscription Domain Classes (Operations)
Class model for subscription lifecycle and billing entities. Operations variant that adds invoice generation and customer billing linkage.
Subscription Domain Classes (Enterprise)
Class model for subscription lifecycle and billing entities. Enterprise variant that adds coupon rules and audit trail support for pricing events.
Identity Inheritance Model
Inheritance and composition model for user and service identities. Starter template grounded in the Inheritance and Composition D2 syntax pattern.
Identity Inheritance Model (Operations)
Inheritance and composition model for user and service identities. Operations variant that adds specialized admin and bot actor classes.
Identity Inheritance Model (Enterprise)
Inheritance and composition model for user and service identities. Enterprise variant that adds credential and policy classes tied to operational governance.
Analytics Transformation Lineage
Lineage view from raw ingestion to analytics and ML consumption. Starter template grounded in the Transformation Lineage D2 syntax pattern.
Analytics Transformation Lineage (Operations)
Lineage view from raw ingestion to analytics and ML consumption. Operations variant that adds quality checks and schema publication flow.
Analytics Transformation Lineage (Enterprise)
Lineage view from raw ingestion to analytics and ML consumption. Enterprise variant that adds model experimentation and drift-monitor feedback loop.
Data Stewardship Metadata Map
Ownership map for domain datasets and shared metadata catalog. Starter template grounded in the Ownership and Metadata D2 syntax pattern.
Data Stewardship Metadata Map (Operations)
Ownership map for domain datasets and shared metadata catalog. Operations variant that adds policy board assignment and owner review workflows.
Data Stewardship Metadata Map (Enterprise)
Ownership map for domain datasets and shared metadata catalog. Enterprise variant that adds additional finance domain registration with governance checks.
Incident Intake Pipeline
Security incident intake from detection to closure. Starter template grounded in the Linear Process D2 syntax pattern.
Incident Intake Pipeline (Operations)
Security incident intake from detection to closure. Operations variant that adds SLA checks, critical escalation, and on-call acknowledgement paths.
Incident Intake Pipeline (Enterprise)
Security incident intake from detection to closure. Enterprise variant that adds post-incident review artifacts, metrics publication, and backlog feedback loops.
Loan Approval Decision Flow
Retail loan screening with branching approval outcomes. Starter template grounded in the Branch and Merge D2 syntax pattern.
Loan Approval Decision Flow (Operations)
Retail loan screening with branching approval outcomes. Operations variant that adds fraud screening and manual risk override branches.
Loan Approval Decision Flow (Enterprise)
Retail loan screening with branching approval outcomes. Enterprise variant that adds applicant notification tracking and audit archival.
Payment Retry Orchestration
Online payment retry control for transient gateway failures. Starter template grounded in the Retry Loop D2 syntax pattern.
Payment Retry Orchestration (Operations)
Online payment retry control for transient gateway failures. Operations variant that adds attempt counting and maximum-retry policy evaluation.
Payment Retry Orchestration (Enterprise)
Online payment retry control for transient gateway failures. Enterprise variant that adds dead-letter recovery and manual fallback handling.
Content Approval With Rework
Editorial content release workflow with review loopback. Starter template grounded in the Approval with Rework D2 syntax pattern.
Content Approval With Rework (Operations)
Editorial content release workflow with review loopback. Operations variant that adds legal exception handling for policy-sensitive changes.
Content Approval With Rework (Enterprise)
Editorial content release workflow with review loopback. Enterprise variant that adds operations ticketing and post-release feedback capture.
Multi-Channel Lead Normalization
Lead ingestion unification from API, batch, and manual channels. Starter template grounded in the Multi-entry Normalization D2 syntax pattern.
Multi-Channel Lead Normalization (Operations)
Lead ingestion unification from API, batch, and manual channels. Operations variant that adds schema validation, correction, and deduplication controls.