observable by TPei

Implementation of the Observer pattern in crystal

created at June 10, 2016, 2:45 p.m.

2 +0

9 +0

0 +0

config.cr by chris-huxtable

Easy to use configuration and parser.

created at April 26, 2018, 9:13 p.m.

2 +0

14 +0

2 +0

HKDF by spider-gazelle

HMAC-based Extract-and-Expand Key Derivation Function (HKDF) for crystal lang

created at Oct. 12, 2023, 1:08 p.m.

2 +0

1 +0

0 +0

multiset.cr by tcrouch

Multiset (bag) implementation in Crystal

created at March 9, 2016, 10:56 p.m.

2 +0

4 +0

1 +0

aasm.cr by veelenga

Easy to use finite state machine for Crystal classes

created at Jan. 16, 2016, 11:14 p.m.

3 +0

50 +0

5 +0

crystal-imgui-sfml by oprypin

Crystal bindings to ImGui-SFML

created at Aug. 10, 2020, 9:16 p.m.

3 +0

16 +0

1 +0

crystal-hunspell by mamantoha

Crystal bindings for Hunspell.

created at April 6, 2019, 1:26 p.m.

3 +0

6 +0

0 +0

climate.cr by Sija

Tiny tool to make your CLI output 🌈 coloured

created at May 21, 2020, 11:05 p.m.

3 +0

14 +0

0 +0

alea by nin93

Repeatable pseudo-random sampling, CDF over most known probability distributions.

created at April 20, 2020, 9:55 p.m.

3 +0

12 +0

0 +0

emoji.cr by veelenga

Emoji for Crystal

created at June 21, 2015, 8:01 a.m.

3 +0

47 +0

1 +0

i18n.cr by vladfaust

Internationalization shard 🌍

created at Sept. 12, 2017, 4:07 p.m.

3 +0

22 +0

3 +0

microtest by Ragmaanir

Small test framework, because it has power asserts as the only assertion.

created at May 21, 2016, 4:30 a.m.

3 +0

31 +0

2 +0

crystal-version-tools by anicholson

Crystal tools for providing different behaviour at compile-time based on semantic versions

created at April 13, 2020, 5:08 a.m.

3 +0

8 +0

0 +0

envy by GrottoPress

Load environment variables from YAML

created at Jan. 18, 2020, 4:23 p.m.

3 +0

7 +0

1 +0

migrate.cr by vladfaust

A database migration solution 🚜

created at Nov. 23, 2017, 7:32 p.m.

3 +0

31 +0

5 +0

promise by spider-gazelle

Type aware promises for crystal lang

created at Aug. 1, 2018, 8:50 a.m.

3 +0

40 +0

3 +0

gphoto2.cr by Sija

Crystal shard wrapping libgphoto2

created at June 27, 2016, 4:55 p.m.

3 +0

15 +0

3 +0

ksuid.cr by Sija

Crystal implementation of K-Sortable Globally Unique IDs

created at Aug. 13, 2018, 2:41 p.m.

3 +0

15 +0

1 +0

tallboy by epoch

Declarative API for drawing unicode/ascii character tables in crystal lang

created at March 7, 2019, 7:15 a.m.

3 +0

56 +0

5 +0

sse.cr by y2k2mt

A Crystal shard for Server-Sent Events

created at Nov. 2, 2018, 8:22 a.m.

3 +0

21 +0

0 +0