| MySQL | 3,282,727 | https://mysql.com |
| PostgreSQL | 77,343 | https://www.postgresql.org/ |
| Redis | 41,212 | https://redis.io |
| MariaDB | 32,786 | https://mariadb.org |
| Firebase | 32,321 | https://firebase.google.com |
| Dimensions AI | 1,963 | https://www.dimensions.ai |
| MongoDB | 1,212 | https://www.mongodb.org |
| Lucene | 413 | https://lucene.apache.org/core/ |
| Solr | 410 | 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 |