Kali Linux : https://www.kali.org/get-kali/
OWASP Juice Shop: https://owasp.org/www-project-juice-shop/
Metasploitable 2: https://sourceforge.net/projects/
metasploitable/files/Metasploitable2/
Metasploitable 3: https://app.vagrantup.com/rapid7/boxes/metasploitable3-win2k8
OWASP Broken Web Applications: https://sourceforge.net/projects/owaspbwa/files/
Oracle VM VirtualBox: https://www.virtualbox.org/wiki/Download/
Oracle VM VirtualBox Extension Pack: https://www.virtualbox.org/wiki/Downloads
Vagrant: https://www.vagrantup.com/downloads