The package registry for Crystal

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

Shards
6,359
Stars
143,018
Dependency links
10,638

Getting started

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

2.20261022.0

github.com/iv-org/invidious

Invidious is an alternative front-end to YouTube

25813 stars0 dependentsDocs for invidiousAGPL-3.0-only

crystal

1.22.1

github.com/crystal-lang/crystal

The Crystal standard library and compiler.

20477 stars3 dependentsDocs for crystalApache-2.0 WITH Swift-exception

mint

0.29.0

github.com/mint-lang/mint

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

4270 stars0 dependentsDocs for mintBSD-3-Clause

kemal

1.15.0

github.com/kemalcr/kemal

Fast, Effective, Simple Web Framework

3931 stars492 dependentsDocs for kemalMIT

github.com/vitobotta/hetzner-k3s

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

3715 stars0 dependentsDocs for hetzner-k3sMIT

Recently updated

All shards

memo

0.12.1

github.com/trans/memo

Memo - Semantic search and vector storage library for Crystal. Provides chunking, embedding storage, similarity search, and RRF fusion.

1 stars0 dependentsDocs for memoMIT

github.com/NeuraLegion/sec-tester-cr

Bright Security scanner integration for Crystal specs

15 stars1 dependentsDocs for sec_testerMIT

github.com/nogginly/askelelem.cr

A way to ask an LLM to perform actions from a Crystal application

0 stars0 dependentsDocs for askelelemMPL2