| MySQL | 1,765,293 | https://mysql.com |
| PostgreSQL | 42,953 | https://www.postgresql.org/ |
| Redis | 23,263 | https://redis.io |
| MariaDB | 22,025 | https://mariadb.org |
| Firebase | 18,058 | https://firebase.google.com |
| Dimensions AI | 903 | https://www.dimensions.ai |
| MongoDB | 689 | https://www.mongodb.org |
| Lucene | 270 | https://lucene.apache.org/core/ |
| Solr | 269 | https://lucene.apache.org/solr/ |
| Virtuoso | 32 | https://virtuoso.openlinksw.com/ |
| SQLite | 11 | https://www.sqlite.org |
| PouchDB | 1 | https://pouchdb.com |
| Qiyeku | 1 | https://www.qiyeku.cn |