pdfbox

vcpkg-cr

a helper library for finding libraries in a Vcpkg installation

xdg

XDG directories for Crystal

cml

concurrent ml in Crystal

bubbles

Bubbletea Crystal widgets - port of golang bubbles

mcp2cli

Generate binaries from MCP servers using Crystal language

gmaps

A library to call the google maps app and get directions and a cli that finds nearest hospital

dry-inflector.cr

An inflector shard for Crystal which provides a configurable inflector object. Port of ruby dry-inflector

msvc_env

A Crystal program to run any coomand under the Visual Studio Command Prompt

shell2batch.cr

Converts a shell program to a windows batch file

files-to-prompt

"a port of simonw/files-to-prompt"

grpc_test

A test of the crystal grpc tools

perdiem

GSA PerDiem Client

keyring

A crystal port of python keyring

opener.cr

Open a file or link with the default program on the system

faa_project

Create a faa directory for ES

shard-vcpkg

a cli to use with shards to install dependencies with VCPKG

cli_tester

A development shard to aid in testing Crystal cli apps

crystal_smith

task runner

crystal-tree-sitter-languages

A crystal app to use treesitter parsers

crystal-vfs

A library to abstract filesystem access and various implementations

std-uritemplate.cr

An implementation of the Uri Template specification RFC 6570 in crystal

text-splitter.cr

A port of rust text-spliter to Crystal

windows_env

import and export windows environment to and from file

llm-config.cr

Run llm-config for crystal compile

dependency_injection

A dependency injection framework for Crystal

terminal

A tui library

term2

A terminal library for Crystal

cellwrap

ANSI-aware word wrapping in terminal cell widths (Crystal port of charmbracelet/x/cellbuf.Wrap)

nucleoc

openai

openai client for Crystal generated by script

lrama.cr

A Crystal port of ruby lrama

similar.cr

golden

Crystal shard for golden file testing

red_green

A crystal red-green tree implementation

ultraviolet

Port of golang ultraviolet code

lipgloss

Lipgloss Crystal port

colorful

Port of go-colorful for color conversions

bubblezone

bubblezone port from golang

ansi

Port of golang ansi library

logos

Port of logos rust scanner to Crystal

mosaic

Mosaic is a tool that allows you to display images in your terminal programs. It will break down your image to contain a certain number of pixels per cell, then render those cells. This works best with monospaced fonts.

teatest

Write tests for bubbletea

charmtone

Palettes and colors ported from golang charmtone

huh.cr

Build terminal forms and prompts

vhs

Write terminal GIFs as code for integration testing and demoing your CLI tools.

cancel_reader

A IO Reader with cancel capability

crystal_search

Search shards.info and CrystalDocs.info for shard and shard documentation

input

terminal input parsing library

rod.cr

Crystal port of go-rod/rod

colorprofile

Detect terminal colorprofiles and degrade accordingly

rod

A high level browser automation library. port of golang rod

bubbletea.cr

Terminal library - port of golang bubbletea

harmonica

port of harmonica phyics library to Crystal

codespan

Beautiful diagnostic reporting for text-based programming languages - crystal port of rust codespan

bubbles-examples

Bubble Tea examples for Crystal - 65+ example applications with parity tests

sandbox

This shard provides a sandbox-policy planning and command-transformation layer for

webb

cli tool for browser automation

crig

A crystal Build modular and scalable llm apps in Crystal,port of Rig

mcp-client

MCP Client Library for Crystal - Connect to Model Context Protocol servers from Crystal

bidi

This crate implements the [Unicode Bidirectional Algorithm][tr9] for display of

crig-sqlite

Crystal vector store powered by SQLite and sqlite-vec for similarity search.

crystal-sqlite3

SQLite3 bindings for Crystal

crig-postgres

PostgreSQL vector store for Crystal with pgvector support, providing vector similarity search powered by the pgvector extension.

regex-syntax

regex-automata

compiles `regex-syntax` HIR into Thompson NFA and DFA (plus a lazy Hybrid engine)

chiasmus.cr

Crystal port of chiasmus: MCP server for formal verification with Z3 SMT solver, SWI-Prolog, and tree-sitter-based source code analysis. Uses Crig for LLM integration with DeepSeek support.

crystal-tree-sitter

Crystal lang bindings to the tree-sitter parsing library

crolog

Crystal meets Prolog

bm25

A BM25 embedder, scorer, and search engine, written in Crystal