Add Etcher (#1092)

README.md

@@ -867,6 +867,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 #### General Tools
 
 * [AirServer](http://www.airserver.com/Download) - Most advanced screen mirroring software receiver for Mac, PC and Xbox One.
+* [Etcher](https://www.balena.io/etcher/) - Flash OS images to SD cards & USB drives, safely and easily. [![Open-Source Software][OSS Icon]](https://github.com/balena-io/etcher) ![Freeware][Freeware Icon]
 * [Cloudflare WARP](https://1.1.1.1/) - Replaces the connection between your device and the Internet with a modern, optimized, protocol. ![Freeware][Freeware Icon]
 * [ControlPlane](http://www.controlplaneapp.com/) - Manages configuration profiles for your Mac. Determines where you are or what you are doing based on a number of available evidence sources and then automatically reconfigures your Mac based on your preferences. [![Open-Source Software][OSS Icon]](https://github.com/dustinrue/ControlPlane) ![Freeware][Freeware Icon]
 * [DNS Heaven](https://github.com/greenboxal/dns-heaven) - Unifies macOS DNS so applications using glibc can resolve DNS with the native stack. Mainly for use with VPNs. [![Open-Source Software][OSS Icon]](https://github.com/greenboxal/dns-heaven) ![Freeware][Freeware Icon]