BlueRing Community Edition
Please note that BlueRing is only a CTF hosting platform. You will need to add the challenges you created to the platform. We do not offer content creation at the moment.
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Your name? *
Are you a member of CyberDefenders Discord server? if not, please join ( and provide your Discord handle below. We will respond to your request there. *
What entity are you running this CTF for? Provide website.

The community version can be used by an educational or non-profit organization only.
Expected CTF start date? *
CTF Duration (in days)? *
Expected number of players? *
What are the CTF challenges categories (e.g., PCAP, forensics, reversing, OSINT...etc)? *
Do you have the challenges ready (i.e. CTF content)? If not, when they will be ready? *
CTF Visibility? *
CTF Type? *
Your edu email address? *
Your Linkedin profile? *
How did you hear about us? *
Anything else you would like us to know about?
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