Crystal

baked_file_systemschovi/baked_file_system

A Crystal library that embeds static files into your binary at compile time, creating a self-contained executable.

avramluckyframework/avram

A Crystal ORM for PostgreSQL, built for the Lucky Framework and inspired by Ecto and ActiveRecord.

anyoliteAnyolite/anyolite

Embed mruby or Ruby interpreters into Crystal projects to use Ruby as a scripting language with similar syntax.

haliteicyleaf/halite

A Crystal HTTP client with a chainable REST API, built-in sessions, and middleware support.

tourmalineprotoncr/tourmaline

A simple, easy-to-use, and fast Telegram Bot API library written in Crystal.

num.crcrystal-data/num.cr

A core scientific computing library for Crystal providing n-dimensional tensors, linear algebra, GPU acceleration, and automatic differentiation.

crystal-sqlite3crystal-lang/crystal-sqlite3

SQLite3 database driver for the Crystal programming language, providing native bindings and full database API support.

fakeraskn/faker

A Crystal library for generating fake data like names, addresses, emails, and more for testing and development.

minitest.crysbaddaden/minitest.cr

A unit testing framework for Crystal, inspired by Ruby's Minitest, providing both test-unit and spec-style syntax.

Kiltjeromegn/kilt

A generic templating interface for Crystal that abstracts multiple template engines behind a unified API.

crinjastraight-shoota/crinja

A Crystal implementation of the Jinja2 template engine for dynamic, runtime-evaluated templates.

crystal_libcrystal-lang/crystal_lib

Automatic binding generator for native libraries in Crystal, translating C headers into Crystal FFI code.

msgpack-crystalcrystal-community/msgpack-crystal

A Crystal language implementation of the MessagePack binary serialization format for efficient data exchange.

admiraljwaldrip/admiral.cr

A robust DSL for writing command line interfaces in the Crystal programming language.

duktape.crjessedoyle/duktape.cr

Crystal bindings for the Duktape JavaScript engine, enabling JavaScript evaluation and interoperability within Crystal applications.

graphqlgraphql-crystal/graphql

A GraphQL server library for Crystal that generates schemas at compile time with full type safety.

Cablecable-cr/cable

A 100% ActionCable-compatible WebSocket server for real-time features in Crystal applications.

raven.crsija/raven.cr

A Crystal client and integration layer for the Sentry error reporting API.

crystallinejtomschroeder/crystalline

A comprehensive collection of data structures and algorithms implemented in the Crystal programming language.

markdicyleaf/markd

A fast, CommonMark-compliant markdown parser written in Crystal with syntax highlighting and customization options.

GTK4.crhugopl/gtk4.cr

GTK4 bindings for the Crystal programming language, enabling native desktop GUI development.

commandermrrooijen/commander

A command-line interface builder for the Crystal programming language with automatic parsing, validation, and help generation.

orionobsidian/orion

A minimal, omni-conventional, declarative web framework for Crystal providing routing, views, and controllers.

climat-grandpa/clim

A slim and intuitive command-line interface builder for the Crystal programming language.

Raylib-crsol-vin/raylib-cr

Crystal language bindings for the raylib game development library, providing low-level access and operator overloads.

DPPMDFabric/dppm

A dedicated platform package manager for installing and managing server applications across Unix-like systems.

multi-authmsa7/multi_auth

A Crystal library providing standardized multi-provider OAuth authentication for web applications.

crystal-emailarcage/crystal-email

A simple email sending library for the Crystal programming language with SMTP support and concurrent sending capabilities.

lexborkostya/lexbor

A fast, memory-efficient HTML5 parser with CSS selector support for Crystal, successor to myhtml.

http2ysbaddaden/http2

A pure Crystal implementation of the HTTP/2 protocol, enabling HTTP/2 support for Crystal HTTP servers.

crulporras/crul

A user-friendly command-line HTTP client written in Crystal, designed as a curl alternative with syntax highlighting.

cossackcrystal-community/cossack

A simple and flexible HTTP client for Crystal with middleware support and built-in testing utilities.

webmock.crmanastech/webmock.cr

A Crystal library for stubbing HTTP::Client requests in tests, inspired by the Ruby webmock gem.

crystal-mysqlcrystal-lang/crystal-mysql

A native MySQL driver for Crystal written entirely in Crystal, offering non-blocking I/O and significant performance improvements.

stumpy_pngstumpycr/stumpy_png

A pure Crystal library for reading and writing PNG images with support for various color types, filters, and interlacing.

radixluislavena/radix

A radix tree (prefix tree) implementation for the Crystal programming language, optimized for URL routing and path matching.