Crystal is a general-purpose, object-oriented programming language designed and developed by Ary Borenszweig and Juan Wajnerman and over one-hundred listed contributors. Crystal is developed as open source software (under the Apache License, Version 2.0) with syntax inspired by Ruby.


bugsnag exception notifier and sidekiq middleware
library to handle ipv4 and ipv6 addresses
- - Misc
library for dealing with money and conversion inspired by
- - Misc
tool to generate pdf manuals from documentation sites
plugin for asdf version manager
a port of the ruby mime-types library
simple mvc framework
kemalyst command line tool for console init generate scaffolding and watch
i18n support for kemalyst
a library to create restful api with kemal
sign httprequest objects and generate presigned post forms
bindings for library
bindings for
a slack websocket client library
an os written in crystal as a proof of concept

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0.0 2.0 Image
swift image slideshow with circular scrolling timer and full screen viewer
1.0 0.7 Gui
theming net winforms c or vbnet to googles material design principles
0.0 0.0 Animation
collection of animation projects
redefined chart library built with react and d3
php bindings for go