Best Progress Semaphore Alternatives in 2026
Updated
20 platforms from knowledge graph software ranked against Progress Semaphore on the same published basis.
- 1Progress Semaphore vs RDFox
- 2Progress Semaphore vs Neo4j
- 3Progress Semaphore vs AllegroGraph
- 4Progress Semaphore vs GraphDB
- 5Progress Semaphore vs RDF Studio
- 6Progress Semaphore vs TypeDB
- 7Progress Semaphore vs QLever
- 8Progress Semaphore vs Stardog
- 9Progress Semaphore vs Virtuoso Universal Server
- 10Progress Semaphore vs Apache Jena Fuseki
- 11Progress Semaphore vs HASH
- 12Progress Semaphore vs LinkedDataHub
- 13Progress Semaphore vs Protégé
- 14Progress Semaphore vs TerminusDB
- 15Progress Semaphore vs Eclipse RDF4J
- 16Progress Semaphore vs Mendix
- 18Progress Semaphore vs Timbr
- 19Progress Semaphore vs OWLGrEd
- 20Progress Semaphore vs Ontop
- 21Progress Semaphore vs PoolParty Semantic Suite
Progress Semaphore alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | RDFox | 8.0 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | Neo4j | 7.6 | Free plan | $65/mo | self-hosted |
| 3 | AllegroGraph | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | GraphDB | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | RDF Studio | 7.3 | Free plan | Free | API, Linux, Mac, Web, Windows |
| 6 | TypeDB | 7.3 | Free plan | $0.07/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 7 | QLever | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 8 | Stardog | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 9 | Virtuoso Universal Server | 7.2 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 10 | Apache Jena Fuseki | 7.1 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 11 | HASH | 7.1 | Free plan | $1.67/mo | API, Browser, self-hosted, Web |
| 12 | LinkedDataHub | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 13 | Protégé | 7.1 | Free plan | Free | Linux, Mac, Web, Windows |
| 14 | TerminusDB | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 15 | Eclipse RDF4J | 6.9 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 16 | Mendix | 6.9 | Free plan | Free | — |
| 18 | Timbr | 6.8 | No | — | API, Linux, self-hosted, Web |
| 19 | OWLGrEd | 6.6 | Free plan | Free | Web, Windows |
| 20 | Ontop | 6.1 | No | — | Windows, Mac, Linux |
| 21 | PoolParty Semantic Suite | 6.0 | No | — | Web |
Make your platform an alternative to Progress Semaphore
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Progress Semaphore alternatives
What is the best alternative to Progress Semaphore?
RDFox, number 1 in knowledge graph software with a score of 8.0 out of 10. The others here: Neo4j, AllegroGraph, GraphDB and 16 more.
What is the best free alternative to Progress Semaphore?
RDFox is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.