Authentication module using BCrypt; initially Hanami-specific.

A toolbox for working with cryptocurrencies. Cryptobank provides Ruby wrappers for the Bitcoin API JSON-RPC.

Cryptographic digest algorithm GOST R 34.11-2012 (Stribog)

Collection of public data API urls for various online crypto-currency exchanges, e.g. MtGox, BTC-e, etc.

Ruby wrapper for the latest valuations of various cryptocurrencies.

Ruby library for Cryptsy API v2

Run crystal-dash-docset-generator to build the crystal docset from the latest Crystal API documents.

CSDL is a gem for producing Abstract Syntax Trees for the [DataSift CSDL Filter Language](http://dev.datasift.com/docs/csdl). Working with an AST instead of raw strings provides a simpler way to test and validate any given CSDL filter.

Tire is a Ruby client for the CSDNSearch search engine/database.

Resource Generator for Cloud Services Managements. http://jp.fujitsu.com/solutions/cloud/paas/services-management/

Create rich Content Security Policies using this easy to use builder class

Learn Enough Ruby palindrome detector

RuboCop for git diff.

Ruby CSS Colour validator. It will tell if a colour is either: * inherit, * HEX `#123` or `#123123`, * HSL, * HSLA, * RGB or * RGBA

A Ruby gem for compressing CSS files

Country flags made with pure CSS

Command line tool for minifying CSS. Based on CSSMin library.

A CLI tool to pin CSS packages from npm (via jsDelivr) into a Rails app's vendor/assets/stylesheets without Node.js.

Converts a specifically-formatted CSV into QTI.

Can parse a CSV file automatically given a user specified header row.