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 - [Vulnerable Web Applications](#Vulnerable-Web-Applications)
 - [Sites by Vendors of Security Testing Software](#Sites-by-Vendors-of-Security-Testing-Software)
+- [Sites for Downloading Older Versions of Various Software](### Sites-for-Downloading-Older-Versions-of-Various-Software)
 - [Sites for Improving Your Hacking Skills](Sites-for-Improving-Your-Hacking-Skills)
 - [Labs](#Labs)
 - [Mobile Apps](#Mobile-Apps)