[softawre]

faster still: https://github.com/BurntSushi/ripgrep

[e12e]

Interesting. This probably the first utility in Rust I'm aware of that looks like it might belong on a production system (other than "cargo" and other rather excellent rust tooling). Nice way to show off rusts regular expression engine too.

[luibelgo]

Golang flavour https://github.com/monochromegane/the_platinum_searcher