Feature comparison by tool
| Criterion | DDDesigner | Context Mapper | Koine | Miro | Qlerify |
|---|---|---|---|---|---|
| Visual DDD workspace | Yes | No — CML text editor | No — .koi DSL | Free-form boards | Process-centric canvas |
| Aggregate / invariant validation | Yes — design-time checks | CML syntax & structure | DSL compile errors | No | Limited DDD semantics |
| Context Map (strategic DDD) | Yes | Yes — core focus | Yes — in DSL | Manual drawing | Derived from process |
| Event Storming workflow | Supported in model | Not primary | Not primary | Yes — common choice | Yes — core focus |
| Java / Kotlin code generation | Yes — monolith on Free | No — diagrams & MDSL | Yes — multiple languages | No | No |
| Microservices / modular monolith codegen | Yes — Pro | MDSL contracts | Yes — in DSL | No | No |
| PlantUML export | Yes | Yes — generators | Docs from model | No | No |
| Free tier for learning | Yes — permanent Free | Open source | Open source | Free plan limits | Trial / paid plans |
How to read this comparison
We grouped tools by what they optimize for: workshops (Miro), strategic DSL and contracts (Context Mapper), multi-language DSL codegen (Koine), AI-assisted process modeling (Qlerify), and visual DDD modeling with validation and codegen (DDDesigner).
A checkmark means the capability is a documented, first-class part of the product. A dash means it is outside the main scope or requires a separate workflow.
When DDDesigner is a strong fit
Choose DDDesigner when you want one workspace for Bounded Contexts, Aggregates, Commands, Events, CQRS, and Sagas — with design-time validation and Java/Kotlin monolith codegen on the Free tier.
- You design tactically and strategically in one connected model
- You need invariant checks before writing code
- You want to generate application code from the model, not only diagrams
When another tool may be better
Context Mapper remains an excellent choice for CML, PlantUML, and MDSL service contracts. Koine fits teams that prefer a .koi DSL across many languages. Miro and draw.io are still the fastest way to run a remote Event Storming workshop. Qlerify helps when the starting point is process discovery with AI assistance.
Frequently asked questions
Is this comparison official or sponsored?
No. DDDesigner created this page for teams evaluating tools. We link to official product sites and cite public documentation. Contact us if a fact is outdated — we will update it.
Can I use Miro and DDDesigner together?
Yes. Many teams run Event Storming in Miro, then rebuild the model in a DDD-aware tool. DDDesigner is designed for the next step: connected contexts, validation, and code generation.
How is DDDesigner different from Context Mapper?
Context Mapper excels at CML, context maps, PlantUML, and MDSL contracts. DDDesigner adds a visual workspace, tactical modeling, validation, and Java/Kotlin codegen in one product.
Which tool is best for DDD beginners?
For learning concepts, start with our DDD guide and a bounded-context example. For hands-on modeling with guardrails, DDDesigner Free is built for first projects. For workshops only, Miro is still the fastest option.
DDDesigner
Try the comparison in practice
Open a free project, model one bounded context, and run validation before generating a monolith.
Start free in DDDesigner