Side by side
d.AP vs Fluent Editor
Both stand on knowledge graph software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid API
Choose d.AP if your enterprise needs a governed knowledge layer across business systems for AI agents, applications, and BI. Its federated connections and traceable answers are central strengths. Look elsewhere if you require an on-premises deployment or a published price.
Visit d.AP Free plan Windows
Pick Fluent Editor for free, self-hosted ontology work on Windows, especially when semantic reasoning, RDF/SPARQL and graph visualization are all needed. Look elsewhere if you need another operating system or a hosted service.
Visit Fluent EditorThe facts
| d.AP | Fluent Editor | |
|---|---|---|
| Free plan | Not published | Yes |
| Open source | Not published | Not published |
| Runs on | API | Windows |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | digetiers.com | cognitum.eu |
| On knowledge graph software | #27 of 33 | #23 of 33 |
d.AP: what it does well
- Connects enterprise systems through shared semantics without copying data.
- Workbench supports isolated ontology testing and Git-based version control.
- Aluna returns answers with sources, logic, and filters.
- Live dashboards use inspectable SPARQL metric definitions.
- OWL ontologies can be exported for reuse.
What to know first
- Runs in cloud environments only.
- Pricing is available on request.
- A five-to-six-source go-live typically takes three months.
Fluent Editor: what it does well
- Free plan with no listed charge
- Ontology modeling and semantic reasoning
- RDF and SPARQL support
- Graph visualization for ontology relationships
- Self-hosted deployment
What to know first
- Available on Windows only
- Requires self-hosted deployment
Alternatives to d.AP Alternatives to Fluent Editor The whole list