CompTIA, LPI and PeopleCert training. Join us to learn more!

Learn offensive hacking safely in our unique and secure cyberspace. Join now at https://www.hacktrace-ranges.id.

The Official Trace Labs Discord Server. Our mission is to use crowdsourced OSINT to help find missing people. Take part in using #osint4good at one of our CTFs, get training on OSINT techniques, or just connect with other likeminded people.

Community around Modo, Octane, Blender, Cinema4D and more. Download content watch Training and chat with likeminded!

HackThisSite is a free, safe and legal training ground for hackers to test and expand their ethical hacking skills.

CyberDefenders is a cyber defense training platform offering blue teamers a place to practice and build skills.

Gonka is an L1 decentralized network for high‑efficiency AI compute, designed to provide access to global GPU resources for AI inference and training without centralized cloud gatekeepers.

Martial Arts Alliance is a international community focused on research, training, and meeting like minded users. Builders of https://atlas.martialartsalliance.org/

Cybersecurity training built around YOU.

This server was founded on April 3rd, 2025 to support future controllers. ATC24academy Offers ICAO, CAA, FAA & Pilot training.

Community server of the free and ethical hacking learning platform Root-Me

This is a community to discuss all things related to API security, get help with APIsec University Courses, or trouble shoot the APIsec Product. Be Kind. Be Professional. Learn. Grow.