Parrot CTFs is described as 'Elevate your hacking skills at Parrot CTFs! We provide premier ethical hacking training and labs, catering to beginners and pros. Join our global community and level up your cybersecurity skills with our realistic hacking labs and challenges' and is a penetration testing tool in the network & admin category. There are seven alternatives to Parrot CTFs , not only websites but also apps for a variety of platforms, including VirtualBox, Self-Hosted, VMware Workstation Pro and VMware Fusion apps. The best Parrot CTFs alternative is TryHackMe, which is free. Other great sites and apps similar to Parrot CTFs are Hack The Box, PwnTillDawn Online Battlefield, VulnHub and HackThisSite.