sppark is used at run time in 40 crates (of which 27 optionally). It is a direct run-time dependency in 9 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) sppark version
10K 1 risc0-circuit-rv32im-sys optional ^0.1.8
10K 1 risc0-circuit-recursion-sys optional ^0.1.8
10K 7 risc0-sys optional ^0.1.8
550 4 pasta-msm ~0.1.2
180 1 snarkvm-algorithms-cuda ^0.1.5
160 1 supraseal-c2 ^0.1.5
lurk-pasta-msm ~0.1.2
grumpkin-msm ~0.1.2
130 1 risc0-circuit-keccak-sys optional ^0.1.8