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mysql
MySQL connector for Crystal
crystal-lang/crystal-mysql
Database Drivers/Clients
habitat
Type safe configuration for your classes and modules
luckyframework/habitat
Configuration
amqproxy
An intelligent AMQP proxy, with connection and channel pooling/reusing
cloudamqp/amqproxy
Queues and Messaging
nightly-link
Downloads the latest "nightly" build/artifact from a continuous testing workflow
oprypin/nightly.link
Web Applications
future
Provides convenient methods to perform concurrent operations
crystal-community/future.cr
Concurrency
totem
Load and parse a configuration in JSON, YAML, dotenv formats
icyleaf/totem
Configuration
neph
A modern command line job processor that can execute jobs concurrently
tbrand/neph
Processes and Threads
marionette
API for controlling head-less Firefox browser. Selenium without the Java overhead
watzon/marionette
Testing
biplane
A configuration-based management and automation tool for Kong
articulate/biplane
Misc
Archived
psykube
Manages Kubernetes configuration and deployment
psykube/psykube
Web Applications
fast-http-server
Super fast, zero configuration command line HTTP Server
sdogruyol/fast-http-server
Web Servers
crystalline
A collection of containers and algorithms
jtomschroeder/crystalline
Algorithms and Data structures
crysterm
Console / terminal GUI toolkit
crystallabs/crysterm
CLI Utils
splay_tree_map
Splay Tree implementation that conforms to the Hash ducktype
wyhaines/splay_tree_map.cr
Algorithms and Data structures
docker-escape-tool
Tool to test if you're in a Docker container and attempt simple breakouts
PercussiveElbow/docker-escape-tool
CLI Applications
pretty
Something attentive, conservative and pretty stuff
maiha/pretty.cr
Misc
libgen
Automatic bindings generator configured using JSON/YAML files
olbat/libgen
Project Generators
action-controller
Rails-esque controller framework
spider-gazelle/action-controller
Web Frameworks
tput
Low-level component for building term/console applications
crystallabs/tput
CLI Builders
wkhtmltopdf-crystal
Bindings / wrapper for libwkhtmltox (HTML to PDF / image converter)
blocknotes/wkhtmltopdf-crystal
Converters
pluto
A fast and convenient image processing library
phenopolis/pluto
Image processing
concourse-summary
Summary for pipelines on concourse-ci.org
dgodd/concourse-summary
Third-party APIs Web Applications
runcobo
An api framework with simple, intuitive and consistent DSL, using jbuilder to render json
runcobo/runcobo
Web Frameworks
selenium~matthewmcgarvey
Library for controlling and interacting with browsers for testing
matthewmcgarvey/selenium.cr
Testing
con
A simple, fast and readable JSON-compatible serialization format
j8r/con
Data Formats
swagger
Swagger contains a OpenAPI / Swagger universal documentation generator and server handler
icyleaf/swagger
Web Frameworks
concurrent
Modern concurrency tools
didactic-drunk/concurrent.cr
Concurrency
crystal-clear
Design by Contract Library
Groogy/crystal-clear
Testing
athena-dependency_injection
Flexible instance based dependency injection service container library
athena-framework/dependency-injection
Dependency Injection
compiled_license
Compiles licenses into binary for complience with MIT when copying binary to system or container without the code
elorest/compiled_license
Misc
garnet_spec
perform system and controller tests for Web Applications
amberframework/garnet-spec
Testing
epilog~crystalrealm
Elegant, fancy console logger
crystalrealm/epilog
CLI Utils
faktory_worker
Faktory worker client
calebuharrison/faktory.cr
Queues and Messaging
lime
A library for drawing graphics on the console screen
r00ster91/lime
CLI Utils
connect-proxy
Connect method style of HTTP tunnelling / HTTP proxy
spider-gazelle/connect-proxy
Network Protocols HTTP
json-schema
Convert JSON serializable classes into a JSON Schema representation
spider-gazelle/json-schema
Data Formats
ruby2crystal
A proof of concept tool to help porting gems to shards
faustinoaq/ruby2crystal
Development Tools
version_from_shard
A macro to declare the VERSION constant from the value found in shard.yml
hugopl/version_from_shard
Development Tools
time_format
Convert time in human readable format with ease
vladfaust/time_format.cr
Time & Date
money
Handling money and currency conversion with ease (almost complete port of RubyMoney)
crystal-money/money
Converters
di
Lightweight DI Container
funk-yourself/crystal-di
Dependency Injection
backend
Proof-of-concept JSON API written in Crystal
dantebronto/crystal-api-backend
Examples and funny stuff
athena-console
Allows for the creation of CLI based commands
athena-framework/console
CLI Builders
ebnf
Parse and work with Context free Grammar
jrester/EBNF.cr
Implementations/Compilers
crystal-consul
Consul API client
rogerwelin/crystal-consul
Third-party APIs
md2pdf
Convert markdown files to PDF with flexible template and stylesheet
straight-shoota/md2pdf
CLI Applications
epilog
Elegant, fancy console logger
molnarmark/epilog
Logging and monitoring
moola
Library for dealing with money and conversion (inspired by RubyMoney)
dorkrawk/moola
Converters
spellout
A command-line tool that converts input into the International Radiotelephony Spelling Alphabet
sferik/spellout
CLI Applications
live_view_example
Proof of concept for a Crystal version of Phoenix Live View
jgaskins/crystal_live_view_example
Examples and funny stuff
werk
Dead simple task runner with concurrent support, ideal for local CI
marghidanu/werk
Queues and Messaging
content_disposition
Create HTTP Content-Disposition headers with proper escaping/encoding of filenames
jetrockets/content_disposition.cr
HTTP
auto_json
Auto JSON convertations for classes and structs, based on auto_constructor fields
kostya/auto_json
Data Formats
auto_constructor
Auto construct initialize methods for classes and structs
kostya/auto_constructor
Misc
athena-negotiation
Framework agnostic content negotiation library
athena-framework/negotiation
HTTP
redis-reconnect
Redis client with autoreconnection for slow clients
kostya/redis-reconnect
Database Drivers/Clients
toml-config
TOML::Config class for handy use of crystal-toml
maiha/toml-config.cr
Configuration
defined
Conditional compilation based on constants, version requirements, and environment
wyhaines/defined.cr
Development Tools
redisoid
Redis client with auto-reconnection and pool
kostya/redisoid
Database Drivers/Clients
kemalyst-generator
Kemalyst command line tool for console, init, generate (scaffolding), and watch
kemalyst/kemalyst-generator
Project Generators
mochi
Authentication shard inspired by Devise supporting: Authenticable, Confirmable, Invitable & more
awcrotwell/mochi
Framework Components
tele
A convenient Telegram Bot framework
vladfaust/tele.cr
Third-party APIs
term_colors
Term/console color manipulation library
crystallabs/term_colors
Misc
config
Easy to use configuration format parser
chris-huxtable/config.cr
Data Formats
ms
Library to easily convert various time formats to milliseconds and milliseconds to human readable format
SuperPaintman/ms
Time & Date
odbc
ODBC connector
naqvis/crystal-odbc
Database Drivers/Clients
front_matter
Separates a files front matter from its content
chris-huxtable/front_matter.cr
Data Formats
crunits
Tool for converting units of measure (miles to kilometers, celsius to fahrenheit etc)
spider-gazelle/crunits
Converters
athena-config
Common library for configuring Athena components
athena-framework/config
Framework Components
Archived
envyable
A simple YAML to ENV config loader
philnash/envyable.cr
Configuration
spec2-mocks
Connects spec2.cr and mocks.cr for 'have_received' expectation
waterlink/spec2-mocks.cr
Testing
blackjack
Console Blackjack
gdonald/blackjack-cr
Examples and funny stuff
coin
Command-line application that performs currency conversion via the Fixer API
caian-org/coin
CLI Applications
hash_ring
An Implementation of Consistent Hash Ring
TobiasGSmollett/hash_ring
Algorithms and Data structures
k8s
A Kubernetes lib containing definitions for Crystal-lang
spoved/k8s.cr
Third-party APIs
xdg
Constants representing the XDG config locations or their standard defaults if not set
dscottboggs/xdg.cr
Configuration
layout
A constraint based layout framework
da1nerd/layout.cr
GUI library
containerregistry
Library for working with container registries
naqvis/containerregistry.cr
Misc
docx_cr_converter~aristotelesbr
parse DOCX Word
aristotelesbr/docx_cr_converter
HTML/XML Parsing
docx_cr_converter
parse DOCX Word
aristotelesbr2014/docx_cr_converter
HTML/XML Parsing
commander~snluu
A small library to manage concurrently spawned jobs
snluu/commander
Processes and Threads
state_control
Flexible generic state machine
dammer/state_control
Misc
dynany
Dynamic JSON/YAML/CON mapping manipulation - extends Any
j8r/dynany
Data Formats
kemal-heroku-example
This repository shows, how you can publish your open source apps which powered kemal framework publish as heroku app in seconds
cagataycali/kemal-heroku-example
Examples and funny stuff
rconcr
Client for the game server remote console protocol (RCON)
straight-shoota/rconcr
Network Protocols
cryst_glut
OpenGL context toolkit built on Freeglut
da1nerd/cryst_glut
GUI library
dravite
Consistent and reliable static site generator for the web
GloverDonovan/dravite
Web Servers
jq~confact
confact/jq.cr
device_detector~confact
confact/device_detector
kemal-monetdb
MonetDB Data connection for Kemal
puppetpies/kemal-monetdb
Framework Components
yakut
Dynamically configure your Kubernetes manifests with Jinja2 templates
artworx/yakut
Misc
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