Crystal

ipaddress.crSija/ipaddress.cr

A Crystal library for handling IPv4 and IPv6 addresses with a modern, object-oriented interface.

crystal-chipmunkoprypin/crystal-chipmunk

Crystal language bindings for Chipmunk, a fast and lightweight 2D rigid body physics library.

Jbuildershootingfly/jbuilder

A Crystal library for generating JSON objects using a builder-style DSL, inspired by Rails' jbuilder.

crystalworldvladfaust/crystalworld

A RealWorld back-end API implementation built with the Crystal programming language and Onyx framework.

moneycrystal-money/money

A Crystal shard for handling money, currency conversion, and financial calculations with precision and extensibility.

meetryanprior/meet

A command-line tool to quickly start Jitsi meetings with secure IDs and convenient URL handling.

Crystalizerj8r/crystalizer

A Crystal library for serializing and deserializing any object to JSON, YAML, and Byte formats without monkey patching.

leveldbcrystal-community/leveldb

Crystal language binding for LevelDB, providing a fast key-value storage library with ordered mapping.

machinemathieulaporte/machine

A simple machine learning library for Crystal with a working Bayes classifier and upcoming decision tree.

rocksdb.crmaiha/rocksdb.cr

A Crystal language client library for RocksDB, providing bindings to the embedded key-value store.

tablohutou/tablo

A Crystal library for generating formatted text tables with extensive customization options for borders, styling, and layout.

entitas.crspoved/entitas.cr

A super fast Entity Component System (ECS) framework for Crystal, featuring compile-time code generation and minimal garbage collection.

any_hash.crSija/any_hash.cr

A Crystal library for traversing and manipulating nested Hash structures with JSON-friendly types.

crystalgtobyapi/crystalg

A generic algorithm library for Crystal programming language providing implementations of common algorithms and data structures.

hermesimdrasil/hermes.cr

A Crystal ORM and adapter for Elasticsearch implementing the DataMapper pattern.

sass.crstraight-shoota/sass.cr

A Crystal language binding for libsass to compile Sass/SCSS files into CSS.

XSSMazehahwul/xssmaze

An intentionally vulnerable web application for measuring and improving XSS detection in security testing tools.

statsd.crmiketheman/statsd.cr

A statsd client library for Crystal programming language with Datadog-compatible tagging support.

DeBotjhass/DeBot

An IRC bot framework and implementation written in Crystal, providing modular plugins and connection management.

mpnginthewalkingtoast/mpngin

A simple and fast URL shortener with built-in statistics, requiring Redis for low-latency operation.

crystal-memcachedcomandeo/crystal-memcached

A pure Crystal implementation of a Memcached client supporting binary protocol operations.

wafalyzerNeuraLegion/wafalyzer

A Crystal-based utility that detects Web Application Firewalls (WAFs) through passive analysis and active probing.

Phreakshinzlet/phreak

A flexible Crystal CLI builder with native subcommands, fuzzy matching, and reusable parsers, inspired by OptionParser.

cryelorest/cry

A Crystal language REPL tool that allows interactive code evaluation and editing similar to Ruby's pry edit.

form_builder.crwestonganger/form_builder.cr

A dead-simple HTML form builder for Crystal with built-in support for Bootstrap, Bulma, Foundation, and other popular UI libraries.

crystal-i18ncrystal-i18n/i18n

An internationalization library for Crystal providing translation, localization, interpolation, and pluralization.

migratevladfaust/migrate.cr

A database migration tool for Crystal applications with SQL-based migrations and transactional safety.

Crystal-DIfunk-yourself/crystal-di

A lightweight dependency injection container for Crystal with auto-injection, memoization, and contextual bindings.

clicrj8r/clicr

A simple declarative command line interface builder for Crystal with compile-time validation.

microtestRagmaanir/microtest

A small, opinionated Crystal testing framework that uses power asserts as the only assertion method.

Gobansoya-daizu/goban

A fast and efficient QR, Micro QR, and rMQR Code encoder/decoder library written in Crystal.

Clingdevnote-dev/cling

A modular, non-macro-based command-line interface library for Crystal, offering full control over CLI design without embedded macros.

validatorNicolab/crystal-validator

A simple and efficient data validation module for Crystal, offering boolean validators, error handling, and a rule-based system.

Watershootingfly/water

A Crystal library for writing HTML using plain Crystal syntax with a DSL-like approach.

NullKiabad-antics/nullkia

A comprehensive mobile security framework for device exploitation, bootloader unlocking, firmware analysis, and cellular security research across 18 manufacturers.

gitlab.cricyleaf/gitlab.cr

A comprehensive GitLab API wrapper written in Crystal, providing full-featured client access to GitLab's REST API.