The Crystal Programming Language

🔮 Graphile's Crystal Monorepo; home to Grafast, PostGraphile, pg-introspection, pg-sql2 and much more!

:crystal_ball: A lightweight comments widget built on GitHub issues

Fast, Effective, Simple Web Framework

:gem: A collection of awesome Crystal libraries, tools, frameworks and software

The easiest and fastest way to create production-ready Kubernetes clusters on Hetzner Cloud

(Crystal is now Nimbalyst) Run multiple Codex and Claude Code AI sessions in parallel git worktrees. Test, compare approaches & manage AI-assisted development workflows in one desktop app.

CrystalDiskInfo

:crystal_ball: Tiny and blazing-fast fuzzy search in JavaScript

A full-featured Crystal web framework that catches bugs for you, runs incredibly fast, and helps you write code that lasts.

A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.

Disassembly of Pokémon Crystal

Mango is a self-hosted manga server and web reader

Legend of Mir 2 - Official Public Crystal Source

An upgrade to Pokémon Crystal. Brings features and content up to date, and adds some original content.

:crystal_ball: Scalable reverse image search built on Kubernetes and Elasticsearch

:crystal_ball: Better Reflection is a reflection API that aims to improve and provide more features than PHP's built-in reflection API.

x86-64 os made in crystal

:crystal_ball: A globbing fs.watch wrapper built from the best parts of other fine watch libs.

pluggable UI for Quartz.NET

macOS UI for creating Windows installer ISO from UUPDump

:crystal_ball: File conversion, all from the menu bar

Performance Benchmark of top Github languages

nix dotfiles for chilly people

Crystal graph convolutional neural networks for predicting material properties.

:crystal_ball: morph your svg component one into another other

Yet another implementation of computer language benchmarks game

Dependency manager for the Crystal language

Simple, efficient job processing for Crystal

CrystalDiskMark