Diagram and document templates

109 templates across 15 categories, every one rendering on your machine, with no account and nothing sent to a server.

• D3 visualisations30

  Thirty charts for the views a diagram notation cannot draw.

• UML and standard diagrams10

  Sequence, class, state, ERD, activity: the workhorses.

• Architecture document templates9

  ADR, RFC, HLD, post-mortem: the writing around the diagrams.

• Enterprise integration pattern diagrams8

  Routers, splitters, aggregators, dead letters: messaging made legible.

• Agentic architecture diagrams8

  A notation for designing agent systems: before you build them.

• ArchiMate diagrams6

  Business, application and technology layers: for enterprise architecture.

• AWS architecture diagrams6

  Official AWS icons, rendered offline.

• Azure architecture diagrams6

  Official Azure icons, rendered offline.

• Google Cloud architecture diagrams6

  GKE, Cloud Run, BigQuery: the shapes GCP actually gets used in.

• C4 model diagrams5

  Context, container, component: the four levels, and when to stop.

• Kubernetes diagrams5

  Ingress, workloads, storage and RBAC: the four questions people actually ask.

• Office and infrastructure diagrams4

  Servers, firewalls, users and devices, for the diagram everyone still needs.

• Hexagonal architecture diagrams3

  Ports and adapters, drawn as the shape the pattern is named after.

• Threat model diagrams2

  STRIDE, generated from architecture you already drew.

• Application portfolio diagrams1

  Where the IT spend actually goes.