Aesthetic, minimalist platform for learning Japanese inspired by Duolingo and Monkeytype, built with Next.js and sponsored by Vercel. Beginner-friendly with plenty of good first issues - all contri…

A deliberately insecure web application designed to teach web security vulnerabilities through hands-on Capture The Flag challenges.

A digital forensics challenge that teaches steganography and polyglot file techniques by hiding secrets in images using LSB encoding and ZIP file polyglotism.

A medium-difficulty Android CTF challenge application testing mobile security, reverse engineering, and cryptographic skills through database forensics and flag decryption.

A modern, concurrent HTTP client for the terminal — built in Go. Zero-config scheme probing, DNS racing, smart formatting, request replays, WebSockets, and environment profiles. All in one static b…