Best Knowledge Graph Software in 2026
Updated
33 knowledge graph software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
33ranked
0free plans on this page
5 Oct 2026last checked
0 of the 8 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | ROBOKOPWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 27 | SynapticaNo platforms listed | One bar | — | — | 0 of 6 | — | 5.2 |
| 28 | WikibaseWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 29 | eccenca Corporate MemoryWeb · Linux | No signal | — | — | 2 of 6 | — | 5.1 |
| 30 | InfoLibrarian Knowledge Graph EngineNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
| 31 | TimbrWeb · Linux · Self-hosted · API | One bar | — | — | 2 of 6 | — | 5.1 |
| 32 | Ontotext PlatformWeb | One bar | — | — | 1 of 6 | — | 4.9 |
| 33 | metaphactoryWeb | One bar | — | — | 1 of 6 | — | 4.8 |
Compare all 8 in a table
| # | App | Score | Free plan | Free plan | Paid from | Ontology modeling | Semantic reasoning |
|---|---|---|---|---|---|---|---|
| 26 | ROBOKOP | 5.2 | No | — | — | No | Yes |
| 27 | Synaptica | 5.2 | No | — | — | Yes | Yes |
| 28 | Wikibase | 5.2 | No | Yes | — | Yes | — |
| 29 | eccenca Corporate Memory | 5.1 | No | — | — | — | — |
| 30 | InfoLibrarian Knowledge Graph Engine | 5.1 | No | — | — | Yes | Yes |
| 31 | Timbr | 5.1 | No | No | — | Yes | Yes |
| 32 | Ontotext Platform | 4.9 | No | No | — | Yes | Yes |
| 33 | metaphactory | 4.8 | No | No | — | Yes | Yes |
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