Get started with hacking in the academy, test your skills against boxes and challenges or chat about infosec with others

Your spot for hands-on cybersecurity, red teaming, ethical hacking, and nonstop CTF action. Learn to think like an attacker, sharpen your skills, and grow with a community that actually gets it. Jump in and earn your OvO tag.

Microsoft Student Community to share ideas, solve challenges, build solutions, and develop technical skills.

The official Discord server of W3Schools! Come hang out, learn to code, and level up your skills with other developers. Whether you’re just starting out, trying to break into a tech job, or looking to grow in your current career. This is the place to learn, connect, and get inspired.

A community of developers helping each other improve their coding skills by building projects and giving feedback.

TechByte is a leading developer community... A platform for developers, programmers and designed to support passion, build skills, and create real opportunities in the world of technology and development.

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.

Connect with other game developers to progress your career and game development skills with the IGDA!

Tailored cybersecurity upskilling platform for all levels, catering to beginners and pros. Expertly designed with custom content to boost cybersecurity skills.

Beginner friendly community for LeetCode, Data Structures & Algorithms (DSA), System Design, and Software Engineering interview preparation. Improve real problem-solving skills with coding challenges in Python, Javascript, Java, Rust, C++, C or any programming language. An Open-Source Initiative.

A community centered about The Daily Integral website, focused on daily calculus and problem-solving challenges. Join to discuss mathematics, ask questions, and improve your integration skills in a friendly and active environment!