journaldb is used at run time in 30 crates (8 directly).

Depender (with downloads and own rev deps) journaldb version
9 account-state ^0.2.0
2 dir ^0.2.0
2 private-tx ^0.2.0
6 state-db ^0.2.0
5 vapcore ^0.2.0
1 vapcore-light ^0.2.0
3 vapcore-snapshot ^0.2.0
8 vapcore-spec ^0.2.0