product-os-tower-service is used at run time in 3 crates (of which 1 optionally).

Depender (with downloads and own rev deps) product-os-tower-service version
140 1 product-os-tower-http >=0.0.1
2 product-os-tower >=0.0.1
100 10 product-os-router optional >=0.0.1