Elasticsearch client library for crystal, similar to rubys stretcher gem
Minify comics in CBR, CBT, CBA, CB7, PDF format by converting images to WEBP
Headless integration testing for crystal using electron
Vulkan bindings for crystal
Smaller test framework, because it has power asserts as the only assertion.
Kontrol is a DSL to define validations for JSON data
Small typed PubSub library for crystal.
Simple design by contract for crystal
A small web-framework to build rest-apis inspired by hanami.