Browse Documentation

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github.com/mjochimsen/asdf-outdated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.

github.com/robacarp/asset_manager

A modular tool for rendering front-end assets in a cache-able way for backend crystal servers. Import Maps and a little more.

github.com/vitobotta/asset-sniper

github.com/petoem/a-star.cr

A* pathfinding algorithm

github.com/xtokio/asterisk

Wrapper of the Asterisk AMI / ARI written in Crystal lang

github.com/bit4bit/asterisk-ami.cr

Asterisk's AMI wrapper for Crystal Lang

github.com/bcardiff/crystal-ast-helper

Helper tool to debug parser and formatter

github.com/dukenguyenxyz/astro.cr

Astronomy Algorithms in Crystal

github.com/kojix2/astv.cr

github.com/arcage/ast_viewer.cr

Visualize the AST structure from ASTNode object, source file, or source code string.