Crystal

mxnet.crtoddsundsted/mxnet.cr

MXNet bindings for the Crystal programming language, enabling deep learning and machine learning development.

HARNeuraLegion/har

A Crystal library for parsing HTTP Archive (HAR) version 1.2 files.

kube-client.crspoved/kube-client.cr

A Crystal client library for interacting with the Kubernetes (1.11+) API.

Cocolcocol-project/cocol

A Crystal-based framework for rapid blockchain and dApp prototyping with a built-in explorer.

MyECSkonovod/myecs

A single-file Entity-Component-System (ECS) framework for the Crystal programming language, designed for game development and simulation.

crystal-mqttspider-gazelle/crystal-mqtt

A Crystal language implementation of the MQTT protocol with pluggable transport support for publish/subscribe messaging.

CrircMeoowww/Crirc

A Crystal library for creating IRC clients, bots, and servers.

timecop.crcrystal-community/timecop.cr

A Crystal testing library for manipulating time in tests, enabling time travel, freezing, and acceleration.

http-params-serializablevladfaust/http-params-serializable

A Crystal module for safe serialization and deserialization of objects from HTTP query parameters and form data.

crafanaspoved/crafana.cr

A Crystal library for programmatically generating Grafana dashboards using a builder pattern.

graphlbmettuaditya/graphlb

A Crystal library providing comprehensive graph data structures and algorithms for the Crystal programming language.

crafkaBT-OpenSource/crafka

A Kafka client library for Crystal built on librdkafka, supporting both producing and consuming messages.

crystal-ldapspider-gazelle/crystal-ldap

A native LDAP client library for the Crystal programming language, supporting both standard and secure connections.

geoip2.crdelef/geoip2.cr

A pure Crystal library for reading MaxMind GeoIP2 databases to geolocate IP addresses.

cr-xmppnaqvis/cr-xmpp

A pure Crystal XMPP library for building clients, components, and IoT applications with modern security features.

markovmccallofthewild/markov

A Crystal library for building Markov Chains and running Markov Processes.

kd_treegeocrystal/kd_tree

A Crystal implementation of K-Dimensional Trees for efficient nearest neighbor searches in multidimensional spaces.

crystal-snmpspider-gazelle/crystal-snmp

A native SNMP implementation for building agents and clients in the Crystal programming language.

Lenssyeopite/lens

A fast, versatile multi-format internationalization (i18n) library for the Crystal programming language.

lffmkdika/lff-cr

A fast, human-optimized command-line utility for finding the largest files in Unix-like systems.

haversinegeocrystal/haversine

A Crystal implementation of the Haversine formula for calculating distances between geographic coordinates.

crystal_slackmanastech/crystal_slack

A Crystal library for parsing Slack slash commands and sending messages via webhooks or the Slack API.

crystal-consulrogerwelin/crystal-consul

A lightweight Crystal client for the Consul HTTP API with zero dependencies outside the standard library.

gphoto2.crSija/gphoto2.cr

A Crystal shard providing an idiomatic FFI wrapper for libgphoto2 to control digital cameras.

predict.crRX14/predict.cr

A Crystal library for satellite orbit prediction and ground tracking using the SGP4/SDP4 model.

monocypher.crkonovod/monocypher.cr

Crystal bindings for the Monocypher cryptographic library, providing safe, allocation-free encryption and hashing.

definedwyhaines/defined.cr

A Crystal shard providing macros for compile-time constant checks, version constraints, and environment variable based conditional compilation.

win32crmjblack/win32cr

Crystal language bindings for the Win32 API, enabling Windows system programming.

novikanovika-lang/novika

Novika is a free-form, moldable, interpreted programming language inspired by Lisp, Forth, and Smalltalk.

to_htmlsbsoftware/to_html.cr

A fast HTML builder library for Crystal that uses macros to generate HTML at compile-time with native syntax.

backtracer.crSija/backtracer.cr

A Crystal shard that parses exception backtraces into structured, programmatically accessible data.

crystal-imgui-sfmloprypin/crystal-imgui-sfml

Crystal bindings for integrating Dear ImGui with SFML, enabling immediate-mode GUI development in multimedia applications.

edits.crtcrouch/edits.cr

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

Keimenorobacarp/keimeno

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

teeplatemosop/teeplate

A Crystal library for rendering multiple template files with support for ECR templates and interactive overwriting.

progress_bar.crTPei/progress_bar.cr

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