The package registry for Crystal

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

Shards
5,008
Stars
135,030
Dependency links
7,210

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

22653 0 DocsAGPL-3.0-only

crystal

1.21.0

github.com/crystal-lang/crystal

The Crystal standard library and compiler.

20371 2 DocsApache-2.0 WITH Swift-exception

mint

0.29.0

github.com/mint-lang/mint

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

4263 0 DocsBSD-3-Clause

kemal

1.12.0

github.com/kemalcr/kemal

Fast, Effective, Simple Web Framework

3904 417 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

3661 0 DocsMIT

Recently updated

All shards

ffmpeg

master

github.com/marceloboeira/ffmpeg.cr

:movie_camera: FFmpeg wrapper for Crystal

7 0 DocsMIT

stdio

0.1.4

github.com/mosop/stdio

A small Crystal library for capturing standard I/O streams.

8 12 DocsMIT

ffmpeg

develop

github.com/Minva/FFmpeg-Crystal

FFmpeg binds for Crystal 100% supported.

3 0 DocsUnlicense

cherry

0.1.3

github.com/636f7374/cherry.cr

⛵️ Available - Crystal Man-in-the-middle Toolkit

9 1 DocsMIT

aitk

master

github.com/greyblake/crystal-aitk

Artificial Intelligence Tool Kit for Crystal lang

9 0 DocsMIT