Added location to download other GUIs

README.md

@@ -4,6 +4,8 @@
 You can use any GUI for git, the ones we use are Fork and Sourcetree  
 You can download these at https://www.sourcetreeapp.com/ and https://git-fork.com/
 
+For other GUIs check out https://git-scm.com/downloads/guis/
+
 
 ## Set up git
 Set up your git info