liblmdb-sys is used at run time in 120 crates (of which 5 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 6 crates.

Depender (with downloads and own rev deps) liblmdb-sys version
8.4K 32 lmdb-zero ^0.2.2
850 5 lmdb-rs ^0.2.2
1 kn0sys-lmdb-rs ^0.2.2