What are the best free and open-source databases?
DatabasesNamed in 3 of 3 answers
#6
50.4
Rank by surface
ChatGPT#8
Claude#9
Gemini#14
Brand profile
A free, open-source document-oriented NoSQL database program, designed for high performance and scalability.
1 questions · 1 categories · As of Nov 1, 2026
| Categories | Category rank | Questions | Score |
|---|---|---|---|
| Databases | #18of 55 | 1 | 50.4 |
Brands named in the same answers as MongoDB Community Edition in the last four weeks, counted in answers.
| Brand | Answers naming the brand | Named alongside |
|---|---|---|
| PostgreSQL | 8 | MongoDB (7), Redis (6), SQLite (6) |
| MySQL | 6 | PostgreSQL (6), MongoDB (5), Redis (5) |
| MongoDB | 7 | PostgreSQL (7), Redis (5), SQLite (5) |
| SQLite | 6 | PostgreSQL (6), MongoDB (5), MySQL (5) |
| Redis | 7 | Apache Cassandra (6), PostgreSQL (6), MongoDB (5) |
| Apache Cassandra | 6 | Redis (6), PostgreSQL (5), MongoDB (4) |
| ClickHouse | 5 | Valkey (4), Apache Cassandra (4), Redis (4) |
| MariaDB | 4 | SQLite (4), PostgreSQL (4), Valkey (3) |
| Oracle Database | 3 | MongoDB (3), SQLite (3), Microsoft SQL Server (3) |
| Amazon DynamoDB | 4 | Apache Cassandra (4), Redis (4), MongoDB (3) |
| Elasticsearch | 5 | Redis (5), MongoDB (4), Apache Cassandra (4) |
| Google Spanner | 3 | Amazon DynamoDB (3), Apache Cassandra (3), Redis (3) |
| Microsoft SQL Server | 3 | MongoDB (3), Oracle Database (3), SQLite (3) |
| Valkey | 4 | ClickHouse (4), Apache Cassandra (3), Redis (3) |
| ScyllaDB | 4 | Apache Cassandra (4), Redis (4), ClickHouse (4) |
| CockroachDB | 3 | Elasticsearch (3), Apache Cassandra (3), Redis (3) |
| YugabyteDB | 3 | CockroachDB (3), Elasticsearch (3), Apache Cassandra (3) |
| MongoDB Community Edition | 3 | Valkey (3), SQLite (3), ClickHouse (3) |
| Apache CouchDB | 3 | Valkey (3), SQLite (3), ClickHouse (3) |
| DuckDB | 2 | Valkey (2), SQLite (2), ClickHouse (2) |
| Neo4j | 3 | Apache Cassandra (3), Redis (3), ClickHouse (3) |
| MongoDB Atlas | 2 | CockroachDB (2), Elasticsearch (2), Amazon DynamoDB (2) |
| Snowflake | 2 | Elasticsearch (2), Amazon DynamoDB (2), Apache Cassandra (2) |
| Google BigQuery | 2 | Snowflake (2), Elasticsearch (2), Amazon DynamoDB (2) |
| OpenSearch | 2 | Valkey (2), Apache Cassandra (2), Redis (2) |
| Qdrant | 2 | Valkey (2), Apache Cassandra (2), OpenSearch (2) |
| Milvus | 2 | Valkey (2), Apache Cassandra (2), OpenSearch (2) |
| Citus | 1 | CockroachDB (1), MongoDB (1), MongoDB Atlas (1) |
| MySQL Community Edition | 1 | Valkey (1), CockroachDB (1), MongoDB (1) |
| 1 | CockroachDB (1), MongoDB (1), MongoDB Atlas (1) |
Sites the answers naming this brand cited in the last four weeks. Counts are citing answers.
| Rank | Source | Citing answers |
|---|---|---|
| 1 | clickhouse.com | 2 |
| 2 | couchdb.apache.org | 2 |
| 3 | duckdb.org | 2 |
| 4 | mariadb.org | 2 |
| 5 | postgresql.org | 2 |
| 6 | valkey.io | 2 |
| 7 | acecloud.ai | 1 |
| 8 | cassandra.apache.org | 1 |
| 9 | fivetran.com | 1 |
| 10 | github.com | 1 |
For the brand's best questions: of each surface's 1 answers, how many named it.
| Questions | |||
|---|---|---|---|
| 1What are the best free and open-source databases? | 1 | 1 | 1 |
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