🇬🇧 Made in United Kingdom

Discover United Kingdom's Leading Open Source Projects: Explore top-notch open source initiatives hailing from the vibrant tech community of United Kingdom.

TOP Crystal Projects

1
Axentro/Axentro

Axentro/Axentro

To be the go to platform for building dApps quickly and cheaply for business and gaming
Crystal
193
star
2
tffdev/Leafgem

tffdev/Leafgem

🌿💎 The humble beginnings of a 2D game engine in Crystal! [in-progress]
Crystal
70
star
3
phenopolis/pluto

phenopolis/pluto

A fast and convenient image processing library
Crystal
67
star
4
RX14/parallel.cr

RX14/parallel.cr

Parallelism for crystal as a shard
Crystal
62
star
5
alexwlchan/asexual

alexwlchan/asexual

🖤💜 Asexual Pride in GitHub repository languages
Crystal
58
star
6
RX14/camo.cr

RX14/camo.cr

A crystal version of atmos/camo, faster and with better request lifecycle tracing
Crystal
39
star
7
lbarasti/dataclass

lbarasti/dataclass

Data class macro for the Crystal Language.
Crystal
36
star
8
krisleech/evented

krisleech/evented

Publish and Subscribe for Crystal objects
Crystal
34
star
9
emancu/crotest

emancu/crotest

A tiny and simple test framework for crystal
Crystal
28
star
10
SuperPaintman/ulid

SuperPaintman/ulid

Universally Unique Lexicographically Sortable Identifier (ULID) in Crystal
Crystal
27
star
11
lbarasti/torrent_client

lbarasti/torrent_client

A Bit Torrent downloader written in Crystal.
Crystal
26
star
12
Axentro/crystal-two-factor-auth

Axentro/crystal-two-factor-auth

Two Factor Authentication Crystal code implementing the Time-based One-time Password Algorithm
Crystal
24
star
13
SuperPaintman/serve

SuperPaintman/serve

Command line static HTTP server
Crystal
23
star
14
devnote-dev/cling

devnote-dev/cling

A modular, non-macro-based command line interface library
Crystal
23
star
15
kingsleyh/crystal-rethinkdb

kingsleyh/crystal-rethinkdb

driver for rethinkdb / rebirthdb
Crystal
22
star
16
ruivieira/crystal-gsl

ruivieira/crystal-gsl

GNU Scientific Library bindings for Crystal
Crystal
21
star
17
faissaloo/ratmachine

faissaloo/ratmachine

Textboard with text effects
Crystal
21
star
18
rwnx/hardwire

rwnx/hardwire

A compile-time, non-intrusive dependency injection system.
Crystal
21
star
19
RX14/fast_irc.cr

RX14/fast_irc.cr

A fast IRC parsing library for crystal.
Crystal
20
star
20
Demonstrandum/crystal_maze

Demonstrandum/crystal_maze

A* Path finding for PNG mazes, from Ruby now in Crystal. Using StumpyPNG
Crystal
19
star
21
RX14/coz.cr

RX14/coz.cr

Crystal
17
star
22
lbarasti/concur

lbarasti/concur

A collection of concurrency utilities for Crystal, leveraging Fibers and channels.
Crystal
17
star
23
lbarasti/statistics

lbarasti/statistics

A Crystal shard to perform descriptive statistics and sampling on popular distributions
Crystal
16
star
24
tcrouch/edits.cr

tcrouch/edits.cr

Edit distance algorithms inc. Jaro, Damerau-Levenshtein, and Optimal Alignment
Crystal
16
star
25
lbarasti/rate_limiter

lbarasti/rate_limiter

An implementation of the token bucket algorithm for rate limiting.
Crystal
16
star
26
acoustep/fuzzy_match.cr

acoustep/fuzzy_match.cr

Fuzzy Match is a Crystal lang based search library ideal for searching a list of files for partial text matches
Crystal
16
star
27
randomstate/openssl_ext

randomstate/openssl_ext

Crystal bindings for OpenSSL RSA
Crystal
15
star
28
devnote-dev/docr

devnote-dev/docr

A CLI tool for searching Crystal documentation
Crystal
15
star
29
crisward/mailer

crisward/mailer

Simple Email Sending Client for Mailgun & Sendgrid services in crystal
Crystal
15
star
30
SuperPaintman/ms

SuperPaintman/ms

Library to easily convert various time formats to milliseconds and milliseconds to human readable format.
Crystal
14
star
31
crisward/imap

crisward/imap

Imap client library for Crystal-Lang
Crystal
13
star
32
SuperPaintman/crystal-ctags

SuperPaintman/crystal-ctags

Tool for generation ctags for Crystal
Crystal
13
star
33
lbarasti/agent

lbarasti/agent

A thread-safe wrapper for stateful objects
Crystal
13
star
34
Axentro/crystal-ecdsa

Axentro/crystal-ecdsa

C bindings for OpenSSL ECDSA
Crystal
12
star
35
garethr/snykctl

garethr/snykctl

A CLI tool for interacting with the Snyk API.
Crystal
11
star
36
mloughran/twirp.cr

mloughran/twirp.cr

An implementation of Twirp in Crystal
Crystal
11
star
37
puppetpies/WIre

puppetpies/WIre

Packet Analysis written in pure Crystal
Crystal
10
star
38
danreeves/watch

danreeves/watch

Watch your files and run commands on changes from a crystal script
Crystal
10
star
39
RX14/multipart.cr

RX14/multipart.cr

MIME multipart and multipart/form-data support for Crystal
Crystal
10
star
40
SuperPaintman/response-time

SuperPaintman/response-time

Response time for Crystal servers.
Crystal
8
star
41
Axentro/crystal-argon2

Axentro/crystal-argon2

Crystal bindings for the argon2 hashing algorithm
Crystal
8
star
42
hako/blackboard-dl

hako/blackboard-dl

📚💻 Downloads lectures and workshops automagically.
Crystal
8
star
43
kingsleyh/humanhash

kingsleyh/humanhash

HumanHash implementation
Crystal
8
star
44
devnote-dev/geode

devnote-dev/geode

An alternative Crystal package manager
Crystal
8
star
45
Axentro/crypto-mnemonic

Axentro/crypto-mnemonic

Crystal implementation of wallet mnemonic (compatible with javascript version)
Crystal
8
star
46
SuperPaintman/request-id

SuperPaintman/request-id

Middleware for generates / pick up a unique request ID for Crystal servers.
Crystal
8
star
47
sb89/crystal-darksky

sb89/crystal-darksky

Dark Sky API for Crystal
Crystal
8
star
48
ettomatic/xattr

ettomatic/xattr

Crystal bindings for XATTR
Crystal
8
star
49
tffdev/TSYS

tffdev/TSYS

🍵🖥 A simple 12 bit Logisim RISC CPU architecture + a low-level programming language + an assembler
Crystal
8
star
50
devnote-dev/xmlt

devnote-dev/xmlt

XML (de)serializing with classes and structs
Crystal
7
star
51
barisbalic/crystal-docs-web

barisbalic/crystal-docs-web

The code for the crystal-docs.org website.
Crystal
7
star
52
molovo/herd

molovo/herd

A simple module to help with running multi-threaded processes in Crystal
Crystal
7
star
53
lbarasti/diagnostic_logger

lbarasti/diagnostic_logger

A thread-safe, configurable logger for the Crystal language
Crystal
7
star
54
crisward/kemal-session-mysql

crisward/kemal-session-mysql

An Mysql Engine for Kemal-Session
Crystal
7
star
55
puppetpies/crystal-libpcap

puppetpies/crystal-libpcap

Crystal bindings for libpcap - experimental
Crystal
7
star
56
ruivieira/rss

ruivieira/rss

RSS parser for Crystal
Crystal
7
star
57
ruivieira/curses

ruivieira/curses

Crystal bindings to the curses library
Crystal
7
star
58
lbarasti/byoidsl

lbarasti/byoidsl

Build your own interactive DSL
Crystal
6
star
59
ahmetabdi/tmdb

ahmetabdi/tmdb

🔮 Crystal wrapper for TMDB Api
Crystal
6
star
60
ruivieira/matplotcr

ruivieira/matplotcr

A Crystal wrapper for Python's matplotlib.
Crystal
6
star
61
lbarasti/twitter_auth

lbarasti/twitter_auth

A Crystal shard to simplify Twitter's 3-legged OAuth1.0a flow
Crystal
6
star
62
Daniel-Worrall/beautify

Daniel-Worrall/beautify

Crystal binding for the JS-Beautify NPM Package via duktape.cr
Crystal
6
star
63
molovo/crayon

molovo/crayon

A collection of helpers for building pretty command-line tools in Crystal.
Crystal
6
star
64
lbarasti/bencode

lbarasti/bencode

Serialize and deserialize Bencode-encoded strings.
Crystal
5
star
65
rbnpercy/challenge

rbnpercy/challenge

Crystal / Kemal based Web App authenticated with Auth0 Hosted Login & JSON Web Tokens.
Crystal
5
star
66
randomstate/jwt

randomstate/jwt

General purpose JWT library for Crystal. Focus on RSA algorithms to close gap in community.
Crystal
5
star
67
RX14/crane

RX14/crane

WIP Crystal version manager
Crystal
5
star
68
lbarasti/twitch-url-checker

lbarasti/twitch-url-checker

A concurrent, terminal-based tool written in Crystal. Live coding at https://www.twitch.tv/lbarasti
Crystal
5
star
69
puppetpies/crystal-libtar

puppetpies/crystal-libtar

Crystal bindings for libtar
Crystal
5
star
70
ruivieira/crystal-vesta

ruivieira/crystal-vesta

Crystal executable Markdown
Crystal
5
star
71
johansenja/gloss

johansenja/gloss

Gloss is a language project which brings Crystal-like features to Ruby.
Crystal
5
star
72
sb89/crystal-swapi

sb89/crystal-swapi

Star Wars API (SWAPI) for Crystal
Crystal
4
star
73
Helloman892/crystaLyne

Helloman892/crystaLyne

An interpreter for the esolang Ly written in Crystal
Crystal
4
star
74
barisbalic/crystal-docs-cli

barisbalic/crystal-docs-cli

An rsync wrapper for conveniently publishing shard documentation to the crystal-docs website.
Crystal
4
star
75
tcrouch/multiset.cr

tcrouch/multiset.cr

Multiset (bag) implementation in Crystal
Crystal
4
star
76
garethr/snykout

garethr/snykout

A command line tool which provides an alternative interface to snyk test
Crystal
4
star
77
randomstate/auth

randomstate/auth

A framework-agnostic strategy-based approach to authentication for crystal-lang
Crystal
4
star
78
phenopolis/thumbnailer

phenopolis/thumbnailer

A simple CLI tool to create image thumbnails
Crystal
4
star
79
Axentro/spinach

Axentro/spinach

BDD Style test runner
Crystal
4
star
80
lbarasti/just_config

lbarasti/just_config

A Crystal library to substitute environment variables into your yaml config.
Crystal
3
star
81
SuperPaintman/etag

SuperPaintman/etag

Library to generate HTTP ETags
Crystal
3
star
82
molovo/tiny

molovo/tiny

A Crystal module to help you build multi-threaded HTTP micro-services
Crystal
3
star
83
fishpercolator/recolor.cr

fishpercolator/recolor.cr

Sources for Recolor.ink
Crystal
3
star
84
Axentro/crystal-base32

Axentro/crystal-base32

A library which provides base32 decoding and encoding
Crystal
3
star
85
nulty/mysqldumpsplitter

nulty/mysqldumpsplitter

Extract data from MySQL dump files
Crystal
3
star
86
lbarasti/simple_oauth

lbarasti/simple_oauth

A Crystal shard designed to build OAuth1.0 flows quickly
Crystal
3
star
87
RX14/Kitsune

RX14/Kitsune

Crystal
3
star
88
Axentro/ed25519-hd

Axentro/ed25519-hd

HD wallet derivation for Ed25519
Crystal
3
star
89
juliancheal/crystal-joystick

juliancheal/crystal-joystick

SDL Powered Joysticks written in Crystal
Crystal
3
star
90
Minva/FFmpeg-Crystal

Minva/FFmpeg-Crystal

FFmpeg binds for Crystal 100% supported.
Crystal
3
star
91
taw/crystal-z3

taw/crystal-z3

Z3 library for Crystal
Crystal
3
star
92
devnote-dev/redoc

devnote-dev/redoc

Crystal
2
star
93
LucianBuzzo/sequin

LucianBuzzo/sequin

Crystal
2
star
94
SaltwaterC/pwned-password-downloader

SaltwaterC/pwned-password-downloader

Have I Been Pwned breached password list downloader
Crystal
2
star
95
kingsleyh/kemal-session-rethinkdb

kingsleyh/kemal-session-rethinkdb

RethinkDB store for kemal-session
Crystal
2
star
96
mcmillan/advent-of-code-2022

mcmillan/advent-of-code-2022

Crystal
2
star
97
hedgehog1029/decent-crystal

hedgehog1029/decent-crystal

Decent Chat Crystal Server
Crystal
2
star
98
damianham/amber_render_module

damianham/amber_render_module

Organise Amber controller, model and views in modules
Crystal
2
star
99
barisbalic/crystal-docs

barisbalic/crystal-docs

The crystal-docs.org website.
Crystal
2
star
100
jonathandey/oak

jonathandey/oak

A ray browser alternative
Crystal
2
star