Browse Shards

github.com/ray-delossantos/smtp.cr

smtp shard

github.com/nya-engine/nya

3D Game Engine written in crystal (work in progress)

github.com/toddsundsted/mxnet.cr

Crystal language bindings for the MXNet deep learning library.

github.com/vladfaust/i18n.cr

Internationalization shard 🌍

github.com/Vici37/cr-source-typer

Adds type restrictions to crystal source code

github.com/faissaloo/ratmachine

Textboard with text effects

github.com/spider-gazelle/ffmpeg

ffmpeg crystal bindings

github.com/crimson-knight/llamero

A Crystal library for interacting with AI/LLM providers with automatic failover and structured output support. Supports OpenAI, Anthropic, Groq, and OpenRouter.

github.com/skuznetsov/cogni-ml

Crystal ML library with native Metal GPU acceleration. GGUF model inference, BERT embeddings (43ms on M2 Max), autograd, NN layers, optimizers, llama.cpp bindings.

github.com/straight-shoota/criss

Instantaneous static site site generator and server in Crystal

github.com/metaware/flipper

Feature Flipper, Feature Flags, Rollout Flags, Feature Toggles for Crystal

github.com/nickbclifford/gkeybind

A Linux utility for binding custom behavior to Logitech keyboards.

github.com/Demonstrandum/crystal_maze

A* Path finding for PNG mazes, from Ruby now in Crystal!

github.com/watzon/pixie

Making magic with Crystal and images (using ImageMagick)

github.com/sdogruyol/kemal-github-api

Github API routes benchmark for Kemal

github.com/akwiatkowski/tremolite

Blog generator

github.com/marceloboeira/pdf.cr

:pencil: PDF writer for Crystal

github.com/GrottoPress/annotation.cr

Crystal annotations

github.com/watzon/ROT26

Pure Crystal implementation of the ROT26 encryption algorithm

github.com/guvencenanguvenal/katip

Katip is JSONBase Logger for Crystal