Browse Documentation

github.com/picatz/argz

🐉 Command-line application library for Crystal

github.com/gshah30/arithmatic.cr

github.com/crystal-autobot/ark

A lightweight, high-performance Slack gateway for AWS Bedrock Agents.

github.com/jgaskins/armature

Roda-inspired HTTP framework for Crystal, providing routing, sessions, forms, etc

github.com/mjblack/arr_janitor

ArrJanitor — continuously watches Sonarr/Radarr download queues, removes and blocklists downloads that contain bad file extensions, and re-triggers a search when the episode/movie is released.

github.com/mjblack/arr_top

arrtop — a top-like terminal UI for the Sonarr/Radarr download+import pipeline. Sorts the queue by what's actively importing and draws real progress bars, including disk-watched import (copy) progress the *arr API doesn't expose.

github.com/trans/artistry

Artifacts + Registry = Artistry

github.com/AsaCoco-Store/AsaCoco-Store

AsaCoco-Store - Sweep all worries away. Brighten your life up.

github.com/GeopJr/asar-cr

A crystal library to read from, pack into and extract from .asar archives.

github.com/aloli-crystal/asciiart

ASCII art generation in pure Crystal. v0.1 ships FIGlet-style text-to-banner rendering with five embedded fonts (standard, small, big, slant, banner). No external runtime dependency — fonts are baked into the binary at compile time. Future: image-to-ASCII, free-form drawing helpers.

github.com/drhuffman12/ascii_bar_charter

ASCII character-based bar chart generator

github.com/teuffel/ascii_chart

Nice-looking lightweight console ASCII line charts ╭┈╯ | A port of kroitor/ascii_chart

github.com/aloli-crystal/asciicrystal

A Crystal port of the Asciidoctor document processor. Provides an AST model and parser for AsciiDoc documents. Ported from Ruby Asciidoctor 2.0.26 (2025-10-24).

github.com/dammer/ascii_table

The AsciiTable class provides a simple and flexible way to generate ASCII tables with customizable styles and width adjustment strategies.

github.com/mjochimsen/asdf-outdated

github.com/w-wieczorek/asp

Crystal's module for Answer Set Programming

github.com/homonoidian/aspis

an in-progress text editor thing

github.com/sam0x17/assert.cr

Provides C++-like assert functionality that you can sprinkle throughout your crystal program. Assertions are disabled via macro when the `--release` compile-time flag is specified, allowing performant release builds.

github.com/Blacksmoke16/assert

Extensible annotation based object validation library

github.com/YusukeHosonuma/assert-diff

Assert equals with readable diff report.