clone-solana-system-interface is used at run time in 65 crates (of which 10 optionally). It is a direct run-time dependency in 25 crates. It's used only as a dev dependency in 11 crates (of which 4 directly).

Depender (with downloads and own rev deps) clone-solana-system-interface version
210 4 clone-solana-stake-interface ^1.0
200 19 clone-solana-program ^1.0
190 1 clone-solana-example-mocks ^1.0
180 4 clone-solana-client-traits ^1.0
180 8 clone-solana-system-transaction ^1.0
180 1 clone-solana-thin-client ^1.0
180 5 clone-solana-config-program ^1.0
170 6 clone-solana-bpf-loader-program ^1.0
170 5 clone-solana-system-program ^1.0
160 2 clone-solana-address-lookup-table-program ^1.0
150 1 clone-solana-cost-model ^1.0
150 clone-solana-transaction-status ^1.0
150 clone-solana-faucet =1.0
230 28 clone-solana-message optional ^1.0
200 21 clone-solana-transaction optional ^1.0
200 4 clone-solana-vote-interface optional ^1.0
200 2 clone-solana-feature-gate-interface optional ^1.0
180 4 clone-solana-loader-v3-interface optional ^1.0
180 3 clone-solana-loader-v4-interface optional ^1.0
170 4 clone-solana-perf optional ^1.0
150 agave-solana-feature-gate-interface optional ^1.0.0
190 12 clone-solana-bincode dev ^1.0
190 17 clone-solana-transaction-context dev ^1.0
180 1 clone-solana-rpc-client-nonce-utils dev ^1.0
170 3 clone-solana-clap-utils dev ^1.0
170 9 clone-solana-svm-transaction dev ^1.0
160 4 clone-solana-compute-budget-instruction dev ^1.0
160 2 clone-agave-transaction-view dev ^1.0
160 4 clone-solana-runtime-transaction dev ^1.0