'Itsuka converts natural Japanese date expressions, such as "今日" (today), "明日" (tomorrow), or "3日後" (in 3 days), into Ruby Date objects.'

A dependency-free Ruby utility that checks canonical geographic-area numbers against Recommendation ITU-T E.164 (02/2026) and a dated ITU country-code assignment snapshot.

An interface to the iTunes Api

Encodes receipt data into iTunes encoded receipts and exports as appStoreReceiptURL or transactionReceipt formats.

Mock iTunes receipt validation responses for testing

Russian transliteration using nalgeon/iuliia schemas

Russian transliteration using nalgeon/iuliia schemas Gem has been renamed to 'iuliia'. This is the last version of 'iuliia-rb'. Please, use 'iuliia' instead.

Gem which helps to communicate with https://www.iv.lt API.

Convert Plurk realtime timeline and media to webhook

Ruby library that provides abstact interface for private-key and public-key cryptography using RbNaCl and OpenSSL

Java 8 inspired functional utilities

Jackhammer is an opinionated facade over RabbitMQ Bunny

Turn any page into a content-managed page.

Embed the Janet programming language in Ruby apps via WebAssembly. Safely execute user-authored scripts with configurable resource limits, and pluggable DSL modules. Ideal for business logic, dynamic rules, and user-extensible workflows.

janus-gateway API client

A pure Ruby library to generate SVG images for Japanese bookkeeping.

Japanese calendar utility for Ruby

Ruby implementation of NodeJS json-api-normalizer

The jerk's text editor.

Just Another Service Object