athena-negotiation : Framework agnostic content negotiation library ( https://github.com/athena-framework/negotiation )
athena-spec : Common/helpful Spec compliant testing utilities ( HOMEPAGE=" )
backtracer : Crystal shard aiming to assist with parsing backtraces into a structured form ( https://github.com/Sija/backtracer.cr )
crikey : Data structure view templates for Crystal ( https://github.com/domgetter/crikey )
crustache : {{Mustache}} for Crystal ( https://github.com/MakeNowJust/crustache )
crystal-db : Common DB API for Crystal ( https://github.com/crystal-lang/crystal-db )
crystal-fnv : Crystal Implementation of Fowler–Noll–Vo hash ( https://github.com/naqvis/crystal-fnv )
crystal-html5 : Pure Crystal implementation of an HTML5-compliant Tokenizer and Parser ( https://github.com/naqvis/crystal-html5 )
crystal-pg : A native, non-blocking Postgres driver for Crystal ( https://github.com/will/crystal-pg )
crystal-sqlite3 : SQLite3 bindings for Crystal ( https://github.com/crystal-lang/crystal-sqlite3 )
crystal-xpath2 : XPath implementation in Crystal ( https://github.com/naqvis/crystal-xpath2 )
crystar : Crystal language Tar Module implements access to tar archives ( https://github.com/naqvis/crystar )
exception_page : A library for displaying exceptional exception pages for easier debugging ( https://github.com/crystal-loot/exception_page )
habitat : Easily configure settings for Crystal projects ( https://github.com/luckyframework/habitat )
inflector : String inflectors for Crystal ( https://github.com/phoffer/inflector.cr )
jbuilder : Generate JSON objects with a Builder-style DSL ( https://github.com/shootingfly/jbuilder )
json_mapping : Provides the legacy JSON.mapping macro method ( https://github.com/crystal-lang/json_mapping.cr )
kilt : Generic template interface for Crystal ( https://github.com/jeromegn/kilt )
liquid : Liquid template engine for Crystal ( https://github.com/TechMagister/liquid.cr )
lucky_flow : LuckyFlow is a library for testing user flows in the browser ( https://github.com/luckyframework/lucky_flow )
protodec : Command-line tool to encode and decode arbitrary protobuf data ( https://github.com/iv-org/protodec )
radix : Radix tree implementation for Crystal language ( https://github.com/luislavena/radix )
slang : Slim-inspired templating language for Crystal ( https://github.com/jeromegn/slang )
spectator : Feature-rich testing framework for Crystal inspired by RSpec ( https://github.com/icy-arctic-fox/spectator )
temel : Extensible Markup DSL for Crystal ( https://github.com/f/temel )
water : A library for writing HTML in plain Crystal ( https://github.com/shootingfly/water )
webdrivers : Helps manage drivers for Selenium, such as the Chromedriver ( https://github.com/matthewmcgarvey/webdrivers.cr )
webless : HTTP::Client for testing HTTP::Handlers directly and maintaining cookies ( https://github.com/matthewmcgarvey/webless )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a guru
For Paludis use this rsync : rsync://gentoo.zugaina.org/guru-portage
If you have a problem : ycarus(-at-)zugaina.org