The Crystal Programming Language

🍃 A refreshing programming language for the front-end web.

Fast, Effective, Simple Web Framework

💎 A collection of awesome Crystal libraries, tools, frameworks and software

AutoHotkey for Linux (X11-based systems)

Ultra quick message queue and streaming server

A Language Server Protocol implementation for Crystal. 🔮

The pragmatic web framework.

ActivityPub (https://www.w3.org/TR/activitypub/) server for individual users and small groups.

Common db api for crystal

ORM Model with Adapters for mysql, pg, sqlite in the Crystal Language.

📖 Examples of GOF patterns written in Crystal

Build/Runs your crystal application, watches files, and rebuilds/restarts app on file changes

Minimum High Performance Middleware for Crystal Web Server.

HTTP and REST client for Crystal

A background task runner for crystal applications supporting periodic (CRON) and manually queued jobs

Binding and wrapper generator for C/C++ libraries

Virtual File System for Crystal language. Embedding your assets into final binary.

Embedded mruby/Ruby for Crystal

Database migration tool written in Crystal

Faker is a Crystal library that generates fake data for you

Simple and fast keyboard focused IDE written in Crystal and GTK.

Fast HTML5 Parser with CSS selectors. This is successor of myhtml and expected to be faster and use less memory.

Build native apps using GTK4 and a dialect of HTML, declarative format allows you to create advanced structures with ease.

Pure-Crystal implementation of gRPC

Pure-Crystal Redis client, supporting clustering, RedisJSON, RediSearch, RedisGraph, and RedisTimeSeries

Crystal configuration with spirit. Load and parse configuration in JSON, YAML, dotenv formats.

A unified Crystal interface for key-value stores.

A parser generator for C and Crystal.

A scalable asynchronous event-driven jobs engine