The C4 model
collaboration tool
Align on technical decisions across your software engineering and product teams
Design
Visually design interactive C4 model diagrams with your team
Incremental and future architecture with a consistent language
Explain
C4 levels of detail in a tool accessible to your whole team
Visually share knowledge with perspectives for each conversation
Maintain
Link your design to reality and be notified when it’s out of date
Sync model updates across your C4 diagrams for living docs
Visual diagram overlays
Multiple perspectives, without diagram duplication
Interactive messages flowing through your system(s)
Give colours meaning - showing multiple perspectives
Visualize the evolution of your design decisions
Speed up onboarding and knowledge transfer without handholding
Interactive C4 diagrams
Navigate through C4 levels of detail for multiple audiences
Model reusable relationships between objects
Understand your systems dependencies
Sync your updates across all diagrams
Design current and future architectures
Reality as level 4 - Code 
Link your model to reality - Your source control
Identify and resolve inaccuracies
Assign owners for accountability
Health check scores of your design - driving updates
Inclusive C4 modelling
Low barrier of entry - no need to learn a DSL just to diagram
Share self-updating diagrams, removing stale artefacts
Collaborate in real-time
See and easily contact your system experts
