Design Architecture
Self-hosted toolkit for architecture diagrams, documentation, decision records, and training — running on your own infrastructure.
Loading projects...
Tools
Diagram, document, and validate your architecture
Diagrams
Diagram Sandbox
25+ diagram types — PlantUML, Mermaid, D2, Graphviz, C4, Structurizr, Excalidraw. Rendered locally via Kroki.
25 typesWhiteboard
Excalidraw collaborative canvas — sketch ideas in meetings. Hand-drawn aesthetic signals work-in-progress.
excalidrawDiagram Linter
Lint C4 diagrams for structural issues. Review against best practices, optimize for clarity.
lintDocumentation
Documentation
MkDocs Material — searchable architecture docs with embedded diagrams. System Context, Container Views, ADRs.
mkdocsADRs
Architecture Decision Records — capture, review, and track architectural decisions with context and consequences.
adrsPresentations
Slidev deck builder — present your architecture in meetings. Mermaid diagrams, code highlighting, presenter mode.
slidevTraining
Practice architectural decision-making with scored exercises
Architecture Katas
Timed, collaborative architecture exercises. Six phases from PLAN to MAINTAIN with scored feedback.
katasPractise
Self-guided training — 140 scenarios across 6 phases, 20 families, and 10 domains. Auto-graded with reference solutions.
trainingSelf-hosted on Kubernetes · Documentation · Start Training
Loading sessions...
Loading katas...
Diagram Linter
Saved Diagrams
Generate from Project
Or Paste Content
Select a project and click "Load ADRs" to view decisions.