Wide Column Store (2)

• Apache Cassandra | Apache Cassandra Documentation (Apache Cassandra) tool
  Masterless wide-column NoSQL store: linear scaling, multi-datacenter replication, Apache-2.0
  Database Administration High Availability Key Value Store #
• ScyllaDB For Real-Time AI (ScyllaDB) tool
  Cassandra- and DynamoDB-compatible wide-column store in C++ for low-latency, high-throughput workloads
  Key Value Store #