Repository Index

FANN (Fast Artifical Neural Network) binding in Crystal

• fann
• neural-network
• machine-learning
• crystal

Email library for Crystal. Testable, adapter-based, and catches bugs for you. Comes with an adapter for SendGrid.

• crystal-lang
• email-sender
• hacktoberfest

A library to access the Twitter API using Crystal

Exercism exercises in Crystal.

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

UI framework based on the Fusion/libui.cr library, with elements from watzon/cru.

• libui
• gui
• ui
• crystal

Get CPU, Memory and Network informations of the running OS and its processes

• hardware
• cpu
• memory
• network

Crystal bindings to Dear ImGui

This library protects against typical web attacks. It was inspired in rack-protection Ruby gem.

• middlewares
• security
• http
• crystal

A fast and convenient image processing library

• crystal
• crystal-lang
• image-processing
• jpeg

Crystal configuration with spirit. Load and parse configuration in JSON, YAML, dotenv formats.

• crystal
• configuration

CrOTP - One Time Passwords for Crystal

• totp
• otp
• 2fa
• two-factor-authentication

Powerful Session Management for Kemal applications

• kemal
• session
• crystal
• middleware

TOML parser for Crystal

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

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

A minimalist Crystal authorization system inspired by https://github.com/varvet/pundit.

• praetorian
• crystal
• authorization
• authorisation

A blazing fast internationalization (i18n) library for Crystal with compile-time key lookup.

• i18n
• internationalization
• translation
• localization

Automated browser tests for web applications. Similar to Ruby's Capybara.

• lucky-framework
• testing-tools

:arrows_clockwise: Easy to use finite state machine for Crystal classes

• crystal
• state-machine
• aasm

General purpose mocking library for Crystal.

• crystal
• mock

Motion is a framework for building reactive, real-time frontend UI components in your Amber application using pure Crystal that are reusable, testable & encapsulated.

• crystal
• crystal-lang

Linear algebra library based on LAPACK

• lapack
• matrix
• crystal
• linear-algebra

:green_heart: Emoji for Crystal

• emoji
• crystal

Foreman port to crystal.

Crystal wrapper for the libsodium crypto API

• crystal
• cryptography
• nacl
• libsodium