Head-to-head · Knowledge Graph Software
AllegroGraph vs Timbr
AllegroGraph leads on 1 check, Timbr on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreAllegroGraph · 8.6/10
- Free planonly AllegroGraph
- Free trialonly Timbr
AllegroGraph scores higher on our rubric for knowledge graph software: 8.6 against 7.8 out of 10; our editors rank them #6 and #14.
AllegroGraph offers free plan; Timbr doesn't.
AllegroGraph is the better fit for enterprise semantic graphs with advanced operations. Timbr is the better fit for paid semantic virtualization with extensive BI access.
- AllegroGraph fits best
Enterprise semantic graphs with advanced operations
- Timbr fits best
Paid semantic virtualization with extensive BI access
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Side by side
| Feature | AllegroGraph 8.6/10 Visit ↗ | Timbr 7.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.6 | 7.8 |
| Ranking | #6 in Knowledge Graph Software | #14 in Knowledge Graph Software |
| Best for | Enterprise semantic graphs with advanced operations | Paid semantic virtualization with extensive BI access |
| Pricing model | Free plan + paid | Paid |
| Starting price | — | — |
| Free plan | ✓ (best) | — |
| Free trial | — | 14 days |
| Deployment | Cloud, Self-hosted | Cloud, Self-hosted |
| Platforms | Web, Windows, macOS, Linux | Web, Linux |
| Support | Email, Docs | Tickets, Live chat, Phone, Docs · 24/7 |
| Integrations | 9 integrations | 20 integrations |
| Built for | Mid-market, Enterprise | Mid-market, Enterprise |
| Features AllegroGraph 4/4 · Timbr 4/4 | ||
| Ontology modeling | ✓ | ✓ |
| Semantic reasoning | ✓ | ✓ |
| RDF/SPARQL support | ✓ | ✓ |
| Graph visualization | ✓ | ✓ |
| Specs | ||
| Import formats | JSON-LD, N-Quads, N-Triples, Extended N-Quads, RDF/XML, TriG, TriX, Turtle, JSON, JSONLines, CSV | OWL, CSV |
| Deployment | Both | Both |
| Query languages | SPARQL, Prolog | SQL, SPARQL |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | AllegroGraph is a semantic graph database for organizations building knowledge graphs, data fabrics, and AI applications. It stores RDF, graph, vector, document, and temporal data, with support for SPARQL, OWL reasoning, SHACL, rules, and… Read the review → |
Timbr is an ontology-based semantic layer for data teams, analysts, engineers, data scientists, and enterprises that need governed access to multiple data sources. It creates virtual knowledge graphs over existing systems, allowing teams… Read the review → |
Strengths and trade-offs
AllegroGraph — where it wins
- Free plan supports up to 5 million triples without expiration
- Combines SPARQL, Prolog, RDF storage, and semantic reasoning
- Supports sharding, federation, replication, and cloud or on-premises deployment
Where it doesn't
- Enterprise pricing is quote-based
- Advanced capabilities may exceed the needs of smaller graph projects
- The Free plan is limited to 5 million triples
Timbr — where it wins
- Visual and SQL-based ontology modeling with semantic reasoning
- Virtual knowledge graphs with caching, governance, and lineage
- Broad BI, data science, and AI integrations
Where it doesn't
- No free plan; access requires a paid subscription
- SQL-native approach may not suit RDF-first teams
- Enterprise plan limits are customized rather than standardized
- AllegroGraph8.6/10 · Free plan
A mature graph database combining semantic reasoning, operations, visualization, and AI features.
Visit AllegroGraphFull verdict → - Timbr7.8/10 · 14-day trial
A broad semantic virtualization platform for governed BI and AI access.
Visit TimbrFull verdict →
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All knowledge graph software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






