Repository Index

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

• crystal-lang
• email-sender
• hacktoberfest

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

• libui
• gui
• ui
• crystal

Linear algebra library based on LAPACK

• lapack
• matrix
• crystal
• linear-algebra

Minimalistic API for writing text-based user interfaces in pure Crystal 🍮

• crystal-lang
• crystal-language
• term
• termbox

A modular, non-macro-based command line interface library

• cli
• command-line
• crystal
• crystal-lang

Class based json renderer in Crystal

• crystal
• json

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

Allows for the creation of CLI based commands

• crystal
• component

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 Procfile-based process manager for Mac & Linux, supporting foreground/background modes, .env files, and scheduled tasks.

Crystal tools for providing different behaviour at compile-time based on semantic versions

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

Role-Based Access Control Library for the Crystal Programming Language

HMAC-based Extract-and-Expand Key Derivation Function (HKDF) for crystal lang