throwable directory is meant to containt a compilation of public yara rules that are throuwable outside VirusTotal, since most of public yaras are defined for VT
yarale throws all yaras contained in all files from specific location, against a specified location or current dir if none is given
yaralizer will allow you to create quick and basic yara rules based on a text file with strings, or a quick template to start working on your yara rule
For example, for the given the following text file:
Yaralizer could create a yara rule like this: