PAY.JP makes it way easier and less expensive to accept payments.

Pronto runner for Fasterer, speed improvements suggester

Config. Defined as a class. Used as an instance. Support for inheritance and composition. Lazy instantiation. Thread-safe. Command-style DSL. Validation layer. Support for YAML, TOML, JSON, __END__, ENV. Extremely simple to define. Extremely simple to use.

Ruby Client for Rakuten Web Service

An easy to use, high-performance, flexible and extensible metadata transformation system, focused on library-archives-museums input, and indexing to Solr as output.

Command line interface for IBM Aspera products

Provides methods to access BigBlueButton in a ruby application through its API

Fast Rails serializer with built-in caching

DDEX metadata serialization

This gem provides the functionality for de-/serialization and de-/encryption of Entities in the protocols used for communication among the various installations of Diaspora*

Provides the ElasticGraph GraphQL query engine.

The Files.com Ruby client.

Ruby wrapper for iText to work with AcroForm PDFs. Fill and read text fields, checkboxes and radio buttons, add images to fields, rename or remove fields, and flatten forms.

A gem for Japan Post's official zipcode data search & update.

Octo is a Ruby AI agent with three equal first-class interfaces: terminal CLI, web UI, and IM bridges (Feishu/WeCom/WeChat/Discord/Telegram). It speaks Anthropic Messages, OpenAI (Chat Completions + Responses), and AWS Bedrock natively, and provides autonomous tool use plus a Claude-Code-compatible skill format.

RDF::Turtle is an Turtle reader/writer for the RDF.rb library suite.

Use remove.bg with our official Ruby library to quickly, easily and 100% automatically remove the background from images.

Rails Completed Line on Steroids

Tipi - the All-in-one Web Server for Ruby Apps

TrustyCms is a simple and powerful publishing system designed for small teams. It is built with Rails and is similar to Textpattern or MovableType, but is a general purpose content management system--not merely a blogging engine.