Add CyberChef.

README.md

@@ -953,6 +953,7 @@ See also <https://en.wikipedia.org/wiki/List_of_streaming_media_systems>, <https
 - [asciiflow](http://asciiflow.com/) - Flow Diagram Drawing Tool. ([Source Code](https://github.com/lewish/asciiflow2)) `GPL-3.0` `Java/JavaScript`
 - [blynk](http://www.blynk.cc/) - Platform with iOS and Android apps to control Arduino, ESP8266, Raspberry Pi and similar microcontroller boards over the Internet. ([Source Code](https://github.com/blynkkk/blynk-server)) `AGPL-3.0` `Java`
 - [CUPS](https://www.cups.org/) - The Common Unix Print System uses Internet Printing Protocol (IPP) to support printing to local and network printers. ([Source Code](https://github.com/apple/cups)) `GPL-2.0` `C`
+- [CyberChef](https://github.com/gchq/CyberChef) - Perform all manner of "cyber" operations within a web browser such as AES, DES and Blowfish encryption and decryption, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more. ([Demo](https://gchq.github.io/CyberChef)) `Apahce-2.0` `JavaScript`
 - [DomainMOD](https://domainmod.org) - Application to manage your domains and other internet assets in a central location. DomainMOD includes a Data Warehouse framework that allows you to import your WHM/cPanel web server data so that you can view, export, and report on your data. ([Demo](https://demo.domainmod.org), [Source Code](https://github.com/domainmod/domainmod)) `GPL-3.0` `PHP`
 - [EasyBook Project](http://easybook-project.org/) - Book publishing as easy as it should be. ([Source Code](https://github.com/javiereguiluz/easybook)) `MIT` `PHP`
 - [Flox](https://github.com/devfake/flox) `⚠` - Self hosted movie, TV series and anime watch list with a 3-point rating system. Uses The Movie Database backend for information. ([Demo](http://80.240.132.120/flox-demo/public/)) `MIT` `PHP`