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Crystal Lang

248 projects

Showing 36 of 248 projects

TelegramBot
TelegramBotCrystal

A deprecated Crystal wrapper for the Telegram Bot API with command handling, webhooks, and user filtering.

#inline-queries#crystal-lang#chatbot
Stars74
Forks16
Last commit6 years ago
cake
cakeCrystal

A powerful and flexible Make-like utility tool for defining and running tasks using plain Crystal code.

#make-alternative#shell-scripting#workflow-automation
Stars73
Forks9
Last commit4 years ago
cltk
cltkCrystal

A Crystal port of the Ruby Language Toolkit for creating programming languages with lexer and parser generators.

#programming-language#compiler-construction#crystal-lang
Stars72
Forks8
Last commit3 years ago
lua.cr
lua.crCrystal

Crystal bindings to Lua, enabling seamless interoperability between Crystal and Lua 5.4+.

#crystal-shard#embedded-scripting#ffi
Stars70
Forks9
Last commit2 months ago
crytic
cryticCrystal

A mutation testing framework for the Crystal programming language that modifies code to evaluate test suite effectiveness.

#software-testing#hacktoberfest#crystal-shard
Stars68
Forks5
Last commit8 months ago
kemal-session
kemal-sessionCrystal

A session management library for Kemal web applications in Crystal, supporting multiple storage engines and built-in CSRF protection.

#web-security#authentication#kemal
Stars65
Forks35
Last commit1 month ago
toml.cr
toml.crCrystal

A TOML parser for Crystal, compliant with the TOML v0.5.0 specification.

#open-source#crystal-lang#configuration
Stars64
Forks16
Last commit2 months ago
tallboy
tallboyCrystal

A declarative DSL for generating Unicode, ASCII, and Markdown tables in Crystal command-line applications.

#terminal-tables#command-line-tools#unicode
Stars63
Forks5
Last commit5 years ago
praetorian
praetorianCrystal

A minimalist Crystal authorization system inspired by Pundit, offering lightweight, dependency-less policy-based access control.

#minimalist#authorisation#crystal-lang
Stars61
Forks4
Last commit4 years ago
Rosetta
RosettaCrystal

A blazing fast internationalization (i18n) library for Crystal with compile-time key lookup.

#yaml#luckyframework#l10n
Stars58
Forks7
Last commit8 months ago
Shield
ShieldCrystal

A comprehensive Identity & Access Management solution for the Lucky framework with robust authentication and authorization features.

#oauth2#authentication#crystal-lang
Stars57
Forks8
Last commit2 months ago
tasker
taskerCrystal

A high-precision scheduler for Crystal that enables scheduling tasks, CRON jobs, and asynchronous pipelines.

#task-scheduler#cron-jobs#pipeline
Stars57
Forks6
Last commit15 days ago
crystal-koans
crystal-koansCrystal

An educational unit test suite for learning the Crystal programming language through test-driven exercises.

#hacktoberfest#developer-tools#programming-education
Stars55
Forks8
Last commit1 year ago
LuckyFlow
LuckyFlowCrystal

A Crystal library for automated browser testing of web applications, similar to Ruby's Capybara.

#integration-testing#testing-library#crystal-lang
Stars55
Forks9
Last commit3 months ago
cride
crideCrystal

A lightweight CLI text editor and IDE written in Crystal, designed for speed and customizability.

#productivity#modular#syntax-highlighting
Stars54
Forks3
Last commit5 years ago
linalg
linalgCrystal

A Crystal linear algebra library providing a high-level interface to LAPACK routines for matrix operations.

#blas#scientific-computing#lapack
Stars53
Forks4
Last commit4 months ago
motion.cr
motion.crCrystal

A framework for building reactive, real-time frontend UI components in Amber applications using pure Crystal.

#crystal-lang#dom-diffing#crystal
Stars53
Forks5
Last commit5 years ago
runcobo
runcoboCrystal

A Crystal-based API framework with type-safe parameters and elegant JSON/HTML serialization.

#webframework#html-templating#orm-integration
Stars52
Forks1
Last commit1 year ago
clang.cr
clang.crCrystal

Libclang bindings for Crystal with an automatic C bindings generator.

#c-bindings#ffi#crystal-lang
Stars52
Forks10
Last commit22 days ago
Crank
CrankCrystal

A Crystal language port of Foreman for managing Procfile-based applications.

#procfile#foreman-alternative#process-manager
Stars52
Forks3
Last commit6 years ago
stripe.cr
stripe.crCrystal

A Crystal language wrapper for the Stripe API, following Ruby's method and class structure.

#ecommerce#crystal-lang#crystal
Stars51
Forks21
Last commit7 months ago
ssh2.cr
ssh2.crCrystal

A Crystal language binding for libssh2 that provides SSH, SCP, and SFTP client functionality.

#ssh-client#crystal-lang#remote-access
Stars51
Forks10
Last commit4 days ago
fzy
fzyCrystal

A Crystal port of the Fzy fuzzy finder algorithm for fast and accurate string matching.

#fzy#crystal-lang#autocomplete
Stars49
Forks2
Last commit1 year ago
BinData
BinDataCrystal

A declarative binary data parsing and serialization library for the Crystal programming language.

#declarative#asn1#crystal-lang
Stars49
Forks8
Last commit8 days ago
NATS.io
NATS.ioCrystal

A Crystal client library for connecting to NATS messaging servers.

#distributed-systems#crystal-lang#messaging
Stars47
Forks12
Last commit4 years ago
crisp
crispCrystal

A Lisp dialect based on mal and implemented with Crystal, serving as a toy box for dynamic language ideas.

#programming-language#lisp#interpreter
Stars47
Forks4
Last commit3 years ago
Crystar
CrystarCrystal

A pure Crystal shard for reading and writing tar archives, supporting USTAR, PAX, and GNU formats.

#pax-format#gnu-tar#tar
Stars47
Forks1
Last commit2 years ago
promise
promiseCrystal

A fully typed promise implementation for Crystal Lang, enabling asynchronous operations with type safety.

#futures#functional-programming#async-programming
Stars45
Forks3
Last commit1 month ago
rcm.cr
rcm.crCrystal

A Redis cluster management tool written in Crystal, providing CLI and HTTP interfaces for cluster creation, monitoring, and administration.

#redis#crystal-lang#data-migration
Stars45
Forks5
Last commit6 years ago
Jbuilder
JbuilderCrystal

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

#jbuilder#kilt-templates#web-services
Stars44
Forks1
Last commit1 year ago
crystalworld
crystalworldCrystal

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

#integration-testing#onyx-framework#twelve-factor
Stars43
Forks5
Last commit5 years ago
Crystalizer
CrystalizerCrystal

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

#yaml#binary-serialization#crystal-lang
Stars41
Forks0
Last commit3 years ago
machine
machineCrystal

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

#bayes-classifier#naive-bayes#ml-library
Stars40
Forks5
Last commit4 years ago
leveldb
leveldbCrystal

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

#crystal-shard#storage#leveldb
Stars40
Forks7
Last commit6 years ago
intellij-crystal-lang
intellij-crystal-langKotlin

An IntelliJ plugin providing language support for Crystal, including syntax highlighting, code completion, and navigation.

#developer-tools#ide-support#jetbrains
Stars40
Forks10
Last commit2 years ago
rocksdb.cr
rocksdb.crCrystal

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

#rocksdb#crystal-lang#key-value-store
Stars40
Forks8
Last commit2 years ago
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