Crystal

pcap.crmaiha/pcap.cr

Crystal high-level bindings for libpcap, providing a rich interface for packet capture and analysis.

crinderc910335/crinder

A class-based JSON renderer for Crystal that provides flexible serialization with conditional fields and inheritance.

ai4crdrhuffman12/ai4cr

A Crystal shard providing artificial intelligence algorithms, including neural networks, ported from the AI4R library.

crotestemancu/crotest

A tiny and simple test framework for Crystal with common assertions and no pollution into Object class.

googlePlaceOS/google

A Crystal library for interacting with Google APIs including OAuth, Directory, Calendar, Drive, Translate, Gmail, and Pay Passes.

selenium.crcrystal-loot/selenium.cr

A Crystal language client library for Selenium WebDriver to automate browser interactions.

maxminddb.crdelef/maxminddb.cr

A pure Crystal implementation for reading MaxMind DB files without requiring libmaxminddb.

circuit_breakerTPei/circuit_breaker

A Crystal implementation of the circuit breaker pattern for monitoring and protecting critical command executions.

crystaledgeunn4m3d/crystaledge

A pure Crystal vector math library providing 2D, 3D, and 4D vector operations, matrix transformations, and quaternions.

crt.crmaiha/crt.cr

Crystal bindings for libncursesw with a high-level CRT class for terminal UI development.

accordneovintage/accord

A validation library for Crystal objects with support for inline and sharable validators.

try.crmaiha/try.cr

A Try monad implementation for the Crystal programming language, providing functional error handling.

blurhash.crSija/blurhash.cr

A pure Crystal implementation of the BlurHash algorithm for encoding images into compact ASCII strings.

lustracrystal-garage/lustra

An advanced PostgreSQL ORM for Crystal featuring Active Record pattern, expressive query builder, and full PostgreSQL feature support.

ast_helperbcardiff/crystal-ast-helper

A web-based debugging tool for visualizing the Crystal compiler's lexer tokens, AST, and formatter output.

libnotify.crsplattael/libnotify.cr

Crystal bindings for GNOME's Libnotify library to display desktop notifications.

sse.cry2k2mt/sse.cr

A Crystal shard providing both server and client implementations for Server-Sent Events (SSE).

mochiawcrotwell/mochi

A flexible authentication shard for the Amber framework, inspired by Devise, with support for Granite and Jennifer ORMs.

JSON::OnSteroidsanykeyh/json_on_steroids

A Crystal library for mutable JSON document transformation with advanced navigation and dirty state tracking.

burocracia.crvinibrsl/burocracia.cr

A zero-dependency Crystal shard for validating, generating, and formatting Brazilian bureaucratic identifiers like CPF, CNPJ, and CEP.

http-multiserver.crvladfaust/http-multiserver.cr

A Crystal shard that dispatches HTTP requests to multiple underlying servers based on URL path patterns.

device_detectorcreadone/device_detector

A Crystal shard for parsing User-Agent strings to detect browser, OS, device type, vendor, and model.

rethinkdb-ormspider-gazelle/rethinkdb-orm

An ActiveModel-based ORM for RethinkDB in Crystal, providing associations, changefeeds, validations, and callbacks.

fast_irc.crRX14/fast_irc.cr

A high-performance IRC parsing and serialization library for the Crystal programming language.

mollie.crwout/mollie.cr

A Crystal shard for integrating Mollie's payment API to accept iDEAL, credit cards, PayPal, and other payment methods.

awscr-signertaylorfinnell/awscr-signer

A Crystal library for signing and presigning AWS requests using Signature Version 4 and Version 2.

Athena Consoleathena-framework/console

A Crystal library for creating CLI-based commands with argument parsing and help generation.

qr-codespider-gazelle/qr-code

A native QR code generator for Crystal with no external dependencies, supporting text, SVG, and PNG output.

HardWirejerometwell/hardwire

A compile-time, non-intrusive dependency injection system for the Crystal programming language.

crystal_openfaasTPei/crystal_openfaas

An unofficial OpenFaaS template for creating serverless functions using the Crystal programming language.

Shivneriujjwalguptaofficial/shivneri

A component-based MVC web framework for Crystal built on Fort architecture, focusing on modularity and performance.

cr-cmark-gfmamauryt/cr-cmark-gfm

Crystal C bindings for cmark-gfm to parse and render CommonMark and GitHub Flavored Markdown.

i18n.crvladfaust/i18n.cr

Internationalization module for Crystal providing translation and pluralization with customizable backends.

snappynaqvis/snappy

A pure Crystal implementation of the Snappy compression format with support for both block and framing formats.

ffmpegspider-gazelle/ffmpeg

Crystal language bindings for FFmpeg to extract and process video frames from files and streams.

crystal-rethinkdbkingsleyh/crystal-rethinkdb

A RethinkDB driver for the Crystal programming language, compatible with RethinkDB's Ruby API.