Repository Index

Fast, Effective, Simple Web Framework

• crystal
• kemal
• web-framework
• websocket

A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.

• crystal
• web
• cohesive
• efficient

Simple, efficient job processing for Crystal

HTTP load testing for CI/CD — honest latency, CI thresholds, single binary, JSON output

• benchmark
• cli
• http
• load-testing

A performant, and portable jq wrapper to facilitate the consumption and output of formats other than JSON; using jq filters to transform the data.

• crystal
• json
• xml
• yaml

Scientific computing in pure Crystal

• crystal
• linear-algebra
• machine-learning
• autograd

Yet another markdown parser, Compliant to CommonMark specification, written in Crystal.

• crystal
• markdown
• commonmark
• gfm

Exercism exercises in Crystal.

• exercism-track
• community-contributions-accepted
• maintained-solitary

Declarative API for drawing unicode/ascii character tables in crystal lang

• crystal-lang
• terminal
• table
• ascii-art

A key/value store where pairs can expire after a specified interval

• crystal
• cache
• filesystem
• expiration

Local CI pipeline runner with parallel execution and Docker support.

• werk
• executor
• parallel-jobs
• task-runner

A fast and efficient QR/Micro QR/rMQR Code implementation in Crystal lang

• crystal
• qrcode
• qrcode-encoder
• qrcode-generator

Implementation of the circuit breaker pattern in crystal

• circuit-breaker
• circuit-breaker-pattern
• crystal
• design-pattern

Artificial Intelligence for Crystal (based on https://github.com/SergioFierens/ai4r)

A fast IRC parsing library for crystal.

• irc
• irc-protocol
• crystal
• efficiency

👔 Zero-dependency Crystal shard to validate, generate and format Brazilian burocracias (CPF, CNPJ, CEP)

• crystal
• crystal-language
• brazil
• brasil

Component based MVC web framework based on fort architecture targeting good code structures, modularity & performance.

• mvc-framework
• fort
• component-based
• web-framework

This shard provides facilities for checking whether a constant exists at compile time, and for a variety of different conditional compilation options. Code can be conditionally compiled based on the existence of a constant, version number constraints, or whether an environment variable is set truthy or not.

• crystal

A complete Crystal lang implementation of the Matter protocol specification (https://buildwithmatter.com). Includes full support for controller, device, commissioning, secure communications, device types, and cluster definitions.

📈 GDAX REST and WebSocket API wrapper to trade blockchain cryptocurrencies like bitcoin, Litecoin and Ethereum.

• blockchain
• gdax
• gdax-api
• coinbase

GNU Scientific Library bindings for Crystal

Crystal implementation of the Cipher-based Message Authentication Code (CMAC)

Crystal wrapper for The Movie DB (TMDb)

• movie-database-api
• tmdb
• crystal
• api-client

An unofficial SDK supporting popular AWS APIs.

• aws
• crystal
• aws-sdk
• aws-crystal-sdk