Anti-AI-slop design skill for Claude Code, Cursor, and Codex.

A font-based deception tool for red teaming, security research, and whatever else.

The open-source CapCut alternative

Security advisory database for Rust crates published through crates.io

Open Source Vulnerability schema.

Raven is a Crystal client for Sentry

A GPU-accelerated cross-platform terminal emulator and multiplexer written by @wez and implemented in Rust

Orchestrate multiple coding agents from desktop and mobile

HTTP Desync research factory.

A unified LLM interface in pure Crystal 🔮

An Anthropic API client for Crystal 🔮

HMAC middleware for Kemal applications

Weighs the soul of incoming HTTP requests to stop AI crawlers

Use SQL as first-class Crystal methods

Super fast, zero configuration command line HTTP Server.

Application Kernel for Containers

Example Applications built with Kemal

Open Frontier Intelligence

Agent multiplexer with map-charting capabilities

serdardogruyol.com source code

Thunderbird for iOS – Open Source Email App for iOS

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

Generate avatar-wall art (SVG or PNG) from your contributors, sponsors, stargazers, or a hand-picked list — a GitHub Action written in Crystal.

Intentionally vulnerable static website for testing DOM-based XSS detection tools, such as Dalfox. Educational and testing use only.

Crystal’s GC, written in Crystal.

🍮 Minimalistic API for writing text-based user interfaces in pure Crystal