The package registry for Crystal

Versions, dependencies and generated API documentation, indexed straight from the source repository.

Shards
5,337
Stars
136,638
Dependency links
7,605

Add a dependency

Declare it in shard.yml, then fetch it.

dependencies:
  kemal:
    github: kemalcr/kemal
    version: ~> 1.6.0

Install

Resolves the tree and writes shard.lock.

shards install

Publish

Tag a release and the registry indexes it.

git tag -a v1.0.0 -m "Release"
git push --tags

Most starred

invidious

2.20260804.1

github.com/iv-org/invidious

Invidious is an alternative front-end to YouTube

22673 0 DocsAGPL-3.0-only

crystal

1.21.0

github.com/crystal-lang/crystal

The Crystal standard library and compiler.

20372 3 DocsApache-2.0 WITH Swift-exception

mint

0.29.0

github.com/mint-lang/mint

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

4262 0 DocsBSD-3-Clause

kemal

1.12.0

github.com/kemalcr/kemal

Fast, Effective, Simple Web Framework

3905 435 DocsMIT

hetzner-k3s

2.6.0

github.com/vitobotta/hetzner-k3s

The easiest and fastest way to create production-ready Kubernetes clusters on Hetzner Cloud

3662 0 DocsMIT

Recently updated

All shards

cray

master

gitlab.com/TeddyDD/cray

Complete bindings to Raylib for Crystal. Raylib is an extremely simple library for graphics, input, image manipulation and audio.

0 0 DocsMIT

crstlint

1.0.0

gitlab.com/renich/crstlint

RST format checker and linter using crst parser

0 0 DocsGPL-3.0

unicode_width

1.0.0

github.com/wyhaines/unicode_width.cr

Unicode East Asian Width (UAX#11) implementation for Crystal - character and string display width calculation

0 0 DocsApache-2.0

lua

master

github.com/SunP04/lua.cr

Crystal to Lua bridge

0 0 DocsMIT