Crystal is a programming language with friendly syntax, static type checking and modern stdlib. It compiles into efficient, easy-to-distribute native code.

The Crystal Programming Language

• UpdatedJul 9, 2025
• Crystal

The easiest and fastest way to create and manage Kubernetes clusters in Hetzner Cloud using the lightweight distribution k3s by Rancher.

• UpdatedJul 9, 2025
• Crystal

The pragmatic web framework.

• UpdatedJul 11, 2025
• Crystal

Crystal ORM using ActiveRecord pattern with flexible query DSL

• UpdatedJan 25, 2025
• Crystal

Advanced ORM between postgreSQL and Crystal

• UpdatedAug 24, 2024
• Crystal

Natural Language Processing (NLP) library for Crystal

• UpdatedJan 24, 2022
• Crystal

It's like ActionCable (100% compatible with JS Client), but you know, for Crystal

• UpdatedOct 11, 2024
• Crystal

A Crystal router

• UpdatedApr 5, 2022
• Crystal

Crystal bindings to Webview library

• UpdatedApr 24, 2023
• C++

WebAssembly runtime for Crystal

• UpdatedNov 1, 2024
• Crystal

Provide await and async methods to Crystal Lang

• UpdatedSep 2, 2023
• Crystal

⭐️ Web frameworks for Crystal, most starred on Github

• UpdatedJul 13, 2025
• TypeScript

🌿💎 The humble beginnings of a 2D game engine in Crystal! [in-progress]

• UpdatedJun 2, 2019
• Crystal

Mutation testing for crystal.

• UpdatedMay 20, 2024
• Crystal

A minimalist Crystal authorization system inspired byhttps://github.com/varvet/pundit.

• UpdatedJan 18, 2022
• Crystal

gcf.cr provides serverless execution and deployment of crystal language code in Google Cloud Functions

• UpdatedDec 17, 2021
• Crystal

a native library implementing secp256k1 purely for the crystal language.

• UpdatedJul 13, 2023
• Crystal

Monads for Crystal

• UpdatedJun 4, 2025
• Crystal

Crystal Run : shebang wrapper for Crystal

• UpdatedJan 18, 2024
• Crystal

Crystal bindings for the libvips image processing library.

• UpdatedMar 15, 2024
• Crystal