A Claude or Codex skill for deliberate skill development during AI-assisted coding
Denigma explains code in conversational English.
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Resources to facilitate coding katas
Go by Example is a hands-on introduction to Go using annotated example programs.
Learn Go with test-driven development
FREE coding exercises for budding gophers
Program the 8086-like microprocessor of a robot in a grid-based multiplayer world. The game is web based so no installation is required.
Known is a social learning platform.
Create your educational community and empower students to publish work, share feedback, and communicate across social media.
Learn new technologies right in your browser : Interactive Technical Learning Platform for Software Engineers.
Over 100 interactive scenarios helping you solve real problems and learn new skills. Learn about how different Open Source Projects can help solve your problems. Playgrounds give you a configured environment to start playing and exploring using an unstructured learning approach. Katacoda provides a platform to build live interactive demo and training environments. Our environments can be customised to match your applications requirements. The step-by-step guided pathways are designed to ensure the user learns in the best way possible.
Have fun with friends, schoolmates or co-workers on multiplayer programming games and show them who's the boss!
Join our international online programming contests for fun, prizes or glory.
Hit the Leaderboard and get recognition from your peers.
This is a game designed to teach JavaScript and artificial intelligence in a fun, interactive way.
You play as a warrior climbing a tall tower to <insert something that motivates you here> at the top level. On each floor, you need to write JavaScript (with full ES2015 support) to instruct the warrior to battle enemies, rescue captives, and reach the stairs.
Your job is to stop the incoming enemies from getting past your defenses. Unlike other tower defense games, you must position your towers using CSS!
OWASP Mutillidae II is a free, open source, deliberately vulnerable web-application providing a target for web-security enthusiest. Mutillidae can be installed on Linux and Windows using LAMP, WAMP, and XAMMP. It is pre-installed on SamuraiWTF, Rapid7 Metasploitable-2, and OWASP BWA. The existing version can be updated on these platforms. With dozens of vulns and hints to help the user; this is an easy-to-use web hacking environment designed for labs, security enthusiast, classrooms, CTF, and vulnerability assessment tool targets. Mutillidae has been used in graduate security courses, corporate web sec training courses, and as an "assess the assessor" target for vulnerability assessment software.