Stardog alternatives

RDF-native semantic platform with SHACL validation, virtual graphs, and the Voicebox AI assistant. $32.5M funding. Pitches itself as a governed-knowledge layer. Full Stardog record →

  1. 1 Neo4j Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal, similarity) · same conflict handling (overwrite) · same memory unit (fact) · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 17k GPL-3.0 (Community Edition); Enterprise Edition… Compare with Stardog →

  2. 2 ArangoDB Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal, similarity) · same conflict handling (overwrite) · same memory unit (fact, document) · also self-hostable · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ✓ ★ 14k BSL-1.1 (source-available; each release… Compare with Stardog →

  3. 3 FalkorDB Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal, similarity) · same conflict handling (overwrite) · same memory unit (fact) · also self-hostable · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ✓ ★ 11k SSPL-1.0 (source-available) Compare with Stardog →

  4. 4 Memgraph Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal, similarity) · same conflict handling (overwrite) · same memory unit (fact) · also self-hostable · also offered managed

    OSS — Self-host ✓ Managed ✓ MCP ✓ ★ 4.4k BSL-1.1 (source-available, Community)… Compare with Stardog →

  5. 5 TigerGraph Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal) · same conflict handling (overwrite) · same memory unit (fact) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ✓ Compare with Stardog →

  6. 6 Dgraph Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal, similarity) · same conflict handling (overwrite) · same memory unit (fact) · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 22k Apache-2.0 Compare with Stardog →

  7. 7 NebulaGraph Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal, similarity) · same conflict handling (overwrite) · same memory unit (fact) · also self-hostable · also offered managed

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 12k Apache-2.0 Compare with Stardog →

  8. 8 AllegroGraph (Franz) Knowledge-graph platforms

    also in Knowledge-graph platforms · same storage (graph) · same retrieval (graph-traversal) · same conflict handling (overwrite) · same memory unit (fact) · also self-hostable · also offered managed

    OSS ? Self-host ✓ Managed ✓ MCP ? Compare with Stardog →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.