# NoSQL Databases

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [MongoDB](https://www.vioscale.ai/software/mongodb) | 74.2 | 47% (low) | MongoDB, Inc. |
| 2 | [MongoDB](https://www.vioscale.ai/software/mongodb) | 71 | 63% (medium) | MongoDB, Inc. |
| 3 | [RavenDB](https://www.vioscale.ai/software/ravendb) | 58.6 | 42% (low) | - |
| 4 | [ScyllaDB](https://www.vioscale.ai/software/scylladb) | 57.1 | 36% (low) | - |
| 5 | [Apache Cassandra](https://www.vioscale.ai/software/apache-cassandra) | 51.9 | 18% (low) | - |
| 6 | [ArangoDB](https://www.vioscale.ai/software/arangodb) | 51.6 | 18% (low) | - |
| 7 | [Apache CouchDB](https://www.vioscale.ai/software/apache-couchdb) | 47.3 | 20% (low) | - |
| 8 | [Amazon DynamoDB](https://www.vioscale.ai/software/amazon-dynamodb) | 47.2 | 30% (low) | - |
| 9 | [Apache HBase](https://www.vioscale.ai/software/apache-hbase) | 44.9 | 23% (low) | - |
| 10 | [Aerospike](https://www.vioscale.ai/software/aerospike) | 42.2 | 26% (low) | - |
| 11 | [Google Firestore](https://www.vioscale.ai/software/google-firestore) | 38.9 | 38% (low) | - |
| 12 | [Azure Cosmos DB](https://www.vioscale.ai/software/azure-cosmos-db) | 34 | 25% (low) | - |
| 13 | [RethinkDB](https://www.vioscale.ai/software/rethinkdb) | 22 | 35% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/nosql-db).*