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JanusGraph

janusgraph.org

Free plan LinuxAPISelf-hosted
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Spec score 7.7 #22 of 39 in Graph Databases

Spec sheet

Product
JanusGraph is a distributed graph database for storing and querying graphs across a multi-machine cluster.Read 5 Oct 2026 · janusgraph.org
Support
The project lists Discord, a users mailing list, Stack Overflow, and GitHub as community help channels.Read 5 Oct 2026 · janusgraph.org
License
JanusGraph is fully open source under the Apache 2.0 license, and the site says all functionality is free with no commercial license required.Read 5 Oct 2026 · janusgraph.org
Founded
2017Read 28 Sep 2026 · janusgraph.org
Adapters
The site lists community-maintained storage adapters for Aerospike, DynamoDB, and FoundationDB.Read 5 Oct 2026 · janusgraph.org
Analytics
JanusGraph supports global graph analytics through its Apache Spark integration.Read 5 Oct 2026 · janusgraph.org
Governance
JanusGraph is described as a community-driven project governed by the Linux Foundation since 2017.Read 5 Oct 2026 · janusgraph.org
Indexing
Optional full-text, geographic, and numeric range search is available through Elasticsearch, Apache Solr, or Apache Lucene.Read 5 Oct 2026 · janusgraph.org
Intended use
The project page describes JanusGraph as a graph database designed for large graphs distributed across multiple machines.Read 5 Oct 2026 · janusgraph.org
Query interface
It integrates natively with Apache TinkerPop, including the Gremlin query language, Gremlin Server, and Gremlin Console.Read 5 Oct 2026 · janusgraph.org
Scalability
The site describes elastic, linear scalability, data distribution and replication, multi-datacenter high availability, and hot backups.Read 5 Oct 2026 · janusgraph.org
Scale
The site says it is optimized for graphs containing hundreds of billions of vertices and edges.Read 5 Oct 2026 · janusgraph.org
Storage integrations
Listed storage backends include Apache Cassandra, Apache HBase, Google Cloud Bigtable, Oracle BerkeleyDB, and ScyllaDB.Read 5 Oct 2026 · janusgraph.org
Transactions
It supports ACID or eventually consistent transactions and thousands of concurrent users executing graph traversals in real time.Read 5 Oct 2026 · janusgraph.org

Plans and prices

JanusGraph Free All functionality is free · no commercial license required · Apache 2.0 license Read 5 Oct 2026 · janusgraph.org

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