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### Text processing
+* [cpc](https://github.com/probablykasper/cpc) - Parses and calculates strings of math with support for units and unit conversion, from `1+2` to `1% of round(1 lightyear / 14!s to km/h)`.
* [grex](https://github.com/pemistahl/grex) — A command-line tool and library for generating regular expressions from user-provided test cases [](https://travis-ci.org/pemistahl/grex)
* [TankerHQ/ruplacer](https://github.com/TankerHQ/ruplacer) — Find and replace text in source files [](https://travis-ci.org/TankerHQ/ruplacer)
* [ripgrep](https://crates.io/crates/ripgrep) — combines the usability of The Silver Searcher with the raw speed of grep [](https://travis-ci.org/BurntSushi/ripgrep)