"https://chromium.googlesource.com/chromiumos/platform/crosvm/".to_string(),// Can't tell count directly, but various mirrors of it (e.g. https://github.com/dgreid/crosvm) have enough stars that it's got enough interest
"https://seed-rs.org/".to_string(),// https://github.com/seed-rs/seed has 2.1k stars
"https://crates.io".to_string(),// This one gets a free pass :)
"https://cloudsmith.com/cargo-registry/".to_string()// First private cargo registry (https://cloudsmith.com/blog/worlds-first-private-cargo-registry-w-cloudsmith-rust/) and not much in the way of other options yet. See also https://github.com/rust-unofficial/awesome-rust/pull/1141#discussion_r688711555
"https://cloudsmith.com/cargo-registry/".to_string(),// First private cargo registry (https://cloudsmith.com/blog/worlds-first-private-cargo-registry-w-cloudsmith-rust/) and not much in the way of other options yet. See also https://github.com/rust-unofficial/awesome-rust/pull/1141#discussion_r688711555
"https://gitlab.com/ttyperacer/terminal-typeracer".to_string(),// GitLab repo with >40 stars.