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Best Knowledge Graph Software in 2026

Updated

27 knowledge graph software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

27ranked
0free plans on this page
4 Oct 2026last checked

Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score

  1. 26 InfoLibrarian Knowledge Graph Engine No phone app RecognisedPhone appDocumentedFree plan 5.1 Ontology modeling: YesSemantic reasoning: Yes
  2. 27 Synaptica No phone app RecognisedPhone appDocumentedFree plan 5.1 Ontology modeling: YesSemantic reasoning: YesRDF/SPARQL support: Yes

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