Crystal

edits.crtcrouch/edits.cr

A Crystal library implementing edit distance algorithms including Levenshtein, Damerau-Levenshtein, Optimal Alignment, Jaro, and Jaro-Winkler.

splay_tree_mapwyhaines/splay_tree_map.cr

A Crystal implementation of a Splay Tree with a hash-like interface, featuring leaf pruning and fast non-splaying searches.

Keimenorobacarp/keimeno

A lightweight native Crystal library for building interactive text-based command line interfaces (TUI).

csuuidwyhaines/csuuid.cr

A Crystal library implementing chronologically sortable UUIDs with embedded timestamps and identifiers.

climateSija/climate.cr

A Crystal library for adding configurable color markup to CLI program output using delimiters.

progress_bar.crTPei/progress_bar.cr

A flexible progress bar implementation for the Crystal programming language with customizable display and block-based usage.

quartzRomainFranceschini/quartz

A Crystal library for defining hierarchical models and constructing discrete event simulations based on PDEVS formalism.

sendgrid.crdlanileonardo/sendgrid.cr

A Crystal library for sending emails via the SendGrid API with a simple and type-safe interface.

SDL-Crystal-BindingsHadeweka/SDL-Crystal-Bindings

Crystal language bindings for raw SDL 3 functions, providing a low-level foundation for building multimedia libraries.

front_matter.crchris-huxtable/front_matter.cr

A format-agnostic Crystal library that separates front matter metadata from document content.

Athena Event Dispatcherathena-framework/event-dispatcher

A Crystal library implementing Mediator and Observer patterns for event-driven architecture.

json-schemaspider-gazelle/json-schema

A Crystal library that generates JSON Schema definitions from JSON-serializable types and built-in types.

couchdb.crTechMagister/couchdb.cr

A Crystal language client library for interacting with CouchDB databases.

config.crchris-huxtable/config.cr

A Crystal configuration parser with a human-friendly format, macros, and fault tolerance.

icu.crolbat/icu.cr

A Crystal language binding and wrapper for the ICU library, providing Unicode and internationalization support.

crystal-json-socketfoi/crystal-json-socket

A Crystal library for JSON-based client-server communication over TCP and Unix sockets, compatible with node-json-socket.

gphoto2-web.crSija/gphoto2-web.cr

A REST web API for controlling cameras via libgphoto2, enabling remote capture, configuration, and file management.

base62.crSija/base62.cr

A Crystal shard for Base62 encoding and decoding, useful for URL shortening and obfuscating IDs.

crygentamdaz/crygen

A Crystal library for programmatically generating Crystal source code files.

aws-signer.crbeanieboi/aws-signer.cr

A Crystal library for signing HTTP requests with AWS Signature Version 4 authentication.

fftw.crfirejox/fftw.cr

Crystal language wrapper for the FFTW 3 library, enabling high-performance Fourier transforms.

validationsvladfaust/validations.cr

A validation composition module for Crystal with built-in rules and custom validation support.

zaru_crystalszTheory/zaru_crystal

A Crystal shard for sanitizing filenames from user input, removing invalid characters while preserving Unicode.

linguist.crmicrogit-com/linguist.cr

A Crystal implementation of GitHub's Linguist for detecting programming languages in files and repositories.

callbacksvladfaust/callbacks.cr

An expressive callbacks module for Crystal with proper inheritance and instance scope access.

jmespath.crqequ/jmespath.cr

A fully compliant Crystal implementation of the JMESPath query language for extracting data from JSON documents.

Envygrottopress/envy

Loads and sets environment variables from YAML files with support for all YAML data types including arrays and hashes.

ed25519spider-gazelle/ed25519

A Crystal language implementation of the Ed25519 elliptic curve public-key signature system for high-performance cryptography.

bisectspider-gazelle/bisect

A Crystal library providing binary search helpers for maintaining and querying sorted Arrays efficiently.

procodilecrystal-china/procodile

A Crystal-based process manager that runs background and foreground processes from a Procfile with supervision and auto-restart.

criec910335/crie

A compile-time trie data structure implementation for the Crystal programming language.

crystal-linked-listabvdasker/crystal-linked-list

A simple linked list data structure implementation for the Crystal programming language.

pingerspider-gazelle/pinger

A Crystal microlibrary for ICMP ping requests that shells out to the system ping command to avoid sudo requirements.

syslog.crchris-huxtable/syslog.cr

Adds syslog functionality to Crystal via LibC bindings for system logging.

toon-crystalmamantoha/toon-crystal

Crystal implementation of the TOON format, a compact serialization format designed to reduce token usage for LLM input.

proxy-fetcher.crnbulaj/proxy-fetcher.cr

A Crystal library for fetching and validating HTTP/HTTPS proxies from multiple providers.