tc-keystore is used at run time in 31 crates (of which 2 optionally). It is a direct run-time dependency in 11 crates. It's used only as a dev dependency in 3 crates (of which 1 directly).

Depender (with downloads and own rev deps) tc-keystore version
8 tc-finality-grandpa ^2.0.0
2 tc-offchain ^2.0.0
15 tc-service ^2.0.0
8 tc-cli ^2.0.0
6 tc-consensus-babe ^2.0.0
6 tc-rpc ^2.0.0
chain-spec-builder ^2.0.0
1 node-rpc ^2.0.0
node-template ^2.0.0
1 tc-consensus-babe-rpc dev ^2.0.0
1 tc-consensus-aura dev ^2.0.0
2 node-cli dev ^2.0.0