Merge pull request #7 from hsiangjenli/main

Add JanusGraph

README.md

@@ -174,6 +174,7 @@ A curated list of awesome DataOps tools.
 ### Graph Database
 
 * [ArangoDB](https://github.com/arangodb/arangodb) - A scalable open-source multi-model database natively supporting graph, document and search.
+* [JanusGraph](https://github.com/JanusGraph/janusgraph) - JanusGraph is designed for managing large graphs with billions of data distributed across a multi-machine cluster.
 * [Memgraph](https://github.com/memgraph/memgraph) - An open source graph database, built for real-time streaming data, compatible with Neo4j.
 * [Neo4j](https://github.com/neo4j/neo4j) - A high performance graph store with all the features expected of a mature and robust database.
 * [Titan](https://github.com/thinkaurelius/titan) - A highly scalable graph database optimized for storing and querying large graphs.