Add fend

README.md

@@ -113,6 +113,7 @@ See also [Rust — Production](https://www.rust-lang.org/production) organizatio
 * [denoland/deno](https://github.com/denoland/deno) — A secure JavaScript/TypeScript runtime built with V8, Rust, and Tokio [![Build Status](https://github.com/denoland/deno/workflows/ci/badge.svg?branch=master&event=push)](https://github.com/denoland/deno/actions)
 * [Factotum](https://github.com/snowplow/factotum) — [A system to programmatically run data pipelines](https://snowplowanalytics.com/blog/2016/04/09/introducing-factotum-data-pipeline-runner/) [![build badge](https://api.travis-ci.org/snowplow/factotum.svg?branch=master)](https://travis-ci.org/snowplow/factotum)
 * [fcsonline/drill](https://github.com/fcsonline/drill) — A HTTP load testing application inspired by Ansible syntax [![build badge](https://api.travis-ci.org/fcsonline/drill.svg?branch=master)](https://travis-ci.org/fcsonline/drill)
+* [fend](https://github.com/printfn/fend) - Arbitrary-precision unit-aware calculator [![build](https://github.com/printfn/fend/workflows/build/badge.svg)](https://github.com/printfn/fend)
 * [Fractalide](https://github.com/fractalide/fractalide) — Simple Rust Microservices
 * [habitat](https://github.com/habitat-sh/habitat) — A tool created by Chef to build, deploy, and manage applications.
 * [Herd](https://github.com/imjacobclark/Herd) — an experimental HTTP load testing application