tp-offchain is used at run time in 28 crates (of which 1 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 4 crates.

Depender (with downloads and own rev deps) tp-offchain version
100 6 tc-rpc ^2.0.2
2 tc-offchain ^2.0.2
5 node-runtime ^2.0.2
2 node-template-runtime ^2.0.2
1 tetcore-test-runtime ^2.0.2