The package registry for Crystal

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

Shards
5,354
Stars
136,657
Dependency links
7,641

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

crst

1.4.6

gitlab.com/renich/crst

RST parser for Crystal

1 0 DocsAGPL-3.0

spec_mirror

0.3.0

github.com/wout/spec_mirror.cr

Develoment utility to run a mirroring spec whenever a source file is saved.

2 0 DocsMIT

icr

github.com/TechMagister/crystal-icr

not indexed0 Docs

crunits

1.1.1

github.com/spider-gazelle/crunits

Physical quantity and units of measure conversion and math for crystal lang

6 0 DocsMIT