tuplex is used at run time in 445 crates (of which 18 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) tuplex version
275K 531 sp-runtime ^0.1.2
13K 3 bridge-runtime-common ^0.1
340 3 tcl ^0.1
290 1 tk ^0.1
280 1 heredom ^0.1