Setting up lab
Azure
https://docs.microsoft.com/en-us/azure/lab-services/class-type-ethical-hacking
Lab machines
https://github.com/rapid7/metasploitable3
Pentest labs
https://github.com/michelbernardods/labs-pentest
Free hands-on labs
Cherry Tree notebooks
https://github.com/tjnull/TJ-JPT
Cherry tree template
https://411hall.github.io/OSCP-Preparation/
Download: https://411hall.github.io/assets/files/CTF_template.ctb
Other
https://www.hacking-lab.com/customer-logins
https://www.google.be/search?q=free+pentesting+labs
https://www.offensive-security.com/labs/individual/