| MySQL | 3,248,448 | https://mysql.com |
| PostgreSQL | 76,391 | https://www.postgresql.org/ |
| Redis | 40,583 | https://redis.io |
| MariaDB | 32,761 | https://mariadb.org |
| Firebase | 31,967 | https://firebase.google.com |
| Dimensions AI | 1,963 | https://www.dimensions.ai |
| MongoDB | 1,199 | https://www.mongodb.org |
| Lucene | 412 | https://lucene.apache.org/core/ |
| Solr | 409 | https://lucene.apache.org/solr/ |
| Virtuoso | 34 | https://virtuoso.openlinksw.com/ |
| SQLite | 22 | https://www.sqlite.org |
| PouchDB | 2 | https://pouchdb.com |
| Qiyeku | 2 | https://www.qiyeku.cn |