Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
JanusGraph: an open-source, distributed graph database
Java Driver for Apache Cassandra®
Spring Reactive playground
An open source data gateway
Universal HTAP Engine
GeoWave provides geospatial and temporal indexing on top of Accumulo, HBase, BigTable, Cassandra, Kudu, Redis, RocksDB, and DynamoDB.
Automated Repair Awesomeness for Apache Cassandra