Open-Awesome
CategoriesAlternativesStacksSelf-HostedExplore
Open-Awesome

© 2026 Open-Awesome. Curated for the developer elite.

TermsPrivacyAboutGitHubRSS
  1. Home
  2. Tags
  3. Crystal Lang

Crystal Lang

248 projects

Showing 36 of 248 projects

crystal-rethinkdb
crystal-rethinkdbCrystal

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

#database-driver#query-builder#open-source
Stars22
Forks7
Last commit4 years ago
snappy
snappyCrystal

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

#google-snappy#io-streams#crystal-lang
Stars22
Forks3
Last commit5 years ago
ffmpeg
ffmpegCrystal

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

#ai-preprocessing#video-processing#crystal-lang
Stars22
Forks1
Last commit2 years ago
kube-client.cr
kube-client.crCrystal

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

#crystal-shard#devops#container-orchestration
Stars22
Forks2
Last commit2 years ago
i18n.cr
i18n.crCrystal

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

#crystal-shard#yaml#i18n-library
Stars22
Forks3
Last commit5 years ago
Cocol
CocolCrystal

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

#blockchain-explorer#developer-tools#proof-of-work
Stars21
Forks2
Last commit6 years ago
crystal-mqtt
crystal-mqttCrystal

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

#iot-messaging#publish-subscribe#crystal-lang
Stars21
Forks3
Last commit2 years ago
graphlb
graphlbCrystal

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

#graph-algorithms#crystal-lang#data-structures
Stars21
Forks2
Last commit5 years ago
MyECS
MyECSCrystal

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

#simulation#crystal-lang#data-oriented-design
Stars21
Forks2
Last commit2 years ago
crafana
crafanaCrystal

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

#devops#configuration-as-code#crystal-lang
Stars21
Forks1
Last commit2 years ago
Crirc
CrircCrystal

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

#open-source#library#crystal-lib
Stars21
Forks6
Last commit5 years ago
cr-xmpp
cr-xmppCrystal

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

#iot#xmpp-client-library#scram
Stars20
Forks2
Last commit21 days ago
crystal-ldap
crystal-ldapCrystal

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

#authentication#crystal-lang#ldap-client
Stars20
Forks2
Last commit9 days ago
Crystal.tmbundle
Crystal.tmbundle

A TextMate 2 bundle providing syntax highlighting, build, run, format, and test commands for the Crystal programming language.

#developer-tools#build-tools#syntax-highlighting
Stars20
Forks7
Last commit3 years ago
crafka
crafkaCrystal

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

#message-queue#librdkafka#distributed-systems
Stars20
Forks5
Last commit1 year ago
geoip2.cr
geoip2.crCrystal

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

#crystal-library#maxmind-db#ip-geolocation
Stars20
Forks7
Last commit5 years ago
crystal_slack
crystal_slackCrystal

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

#chat-bots#slash-commands#crystal-lang
Stars19
Forks9
Last commit3 years ago
lff
lffCrystal

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

#open-source#unix#unix-shell
Stars19
Forks0
Last commit5 years ago
crystal-consul
crystal-consulCrystal

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

#distributed-systems#crystal-lang#key-value-store
Stars19
Forks2
Last commit6 years ago
kd_tree
kd_treeCrystal

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

#algorithm#tree-structure#geospatial
Stars19
Forks3
Last commit26 days ago
win32cr
win32crCrystal

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

#native-interface#crystal-shard#windows-development
Stars19
Forks3
Last commit4 months ago
gphoto2.cr
gphoto2.crCrystal

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

#iot#photo-capture#digital-camera
Stars19
Forks2
Last commit1 month ago
crystal2nix
crystal2nixCrystal

A tool to build Crystal programming language projects using the Nix package manager.

#devops#crystal-lang#dependency-management
Stars19
Forks5
Last commit1 year ago
defined
definedCrystal

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

#developer-tools#metaprogramming#environment-variables
Stars19
Forks1
Last commit1 year ago
crystal-dash-docset
crystal-dash-docsetShell

Generates Dash documentation sets for the Crystal programming language.

#developer-tools#api-docs#crystal-lang
Stars19
Forks6
Last commit1 month ago
haversine
haversineCrystal

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

#location-based-services#geospatial#crystal-lang
Stars19
Forks0
Last commit1 month ago
crystal-snmp
crystal-snmpCrystal

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

#ber-encoding#client#asn1
Stars19
Forks0
Last commit10 days ago
crystal-imgui-sfml
crystal-imgui-sfmlCrystal

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

#sfml#graphics#imgui
Stars18
Forks1
Last commit8 months ago
csuuid
csuuidCrystal

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

#chronological#library#crystal-lang
Stars17
Forks2
Last commit1 year ago
dns
dnsCrystal

A non-blocking, extendable DNS client library for Crystal with support for UDP, TLS, HTTPS, and mDNS resolvers.

#dns-resolver#non-blocking#crystal-lang
Stars17
Forks2
Last commit1 month ago
Keimeno
KeimenoCrystal

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

#demo#open-source#keyboard-input
Stars17
Forks0
Last commit6 years ago
splay_tree_map
splay_tree_mapCrystal

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

#caching#hash-interface#splay-tree
Stars17
Forks1
Last commit2 months ago
sendgrid.cr
sendgrid.crCrystal

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

#sendgrid#crystal-lang#crystal
Stars16
Forks2
Last commit6 years ago
SDL-Crystal-Bindings
SDL-Crystal-BindingsCrystal

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

#sdl3#graphics#sdl
Stars16
Forks2
Last commit4 months ago
json-schema
json-schemaCrystal

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

#validation#type-system#crystal-lang
Stars15
Forks0
Last commit1 month ago
front_matter.cr
front_matter.crCrystal

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

#metadata-parsing#crystal-shard#shards
Stars15
Forks2
Last commit4 years ago
PreviousPage 5 of 7

Related Tags

Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a projectStar on GitHub
Next
#Crystal130
#Crystal Language23
#Developer Tools21
#Shard15
#Security15
#Crystal Shard15
#Performance14
#Hacktoberfest11
#Open Source11
#Library11
#Authentication11
#Orm10