RDtool parses RD documents and converts them to formats such as HTML and roff. It also includes utilities for working with RD embedded in Ruby source files.

Suika is a Japanese morphological analyzer written in pure Ruby.

CSV Validator for Active Model

Shogi library

Automatically detects and converts various Japanese CSV encodings to UTF-8 safely.

Core class extensions that doesn't supported by active_recored core_ext

Provides function to import TSV file to MySQL table without create table DDL

Message Harmonized Calendaring.

Provides a wide range of text transformation functionalities, including conversions between full-width and half-width characters, kana and hiragana, kanji numerals to Arabic numerals, Arabic numerals to kanji, and more.

Provides japanese conversion functionality for Strings using Ruby Refinements.

A tool to learn Morse code, including alphabets, digits, punctuation, Q-codes, CW abbreviations, and Wabun Morse. Provides quizzes and bilingual messages.

A simple OFX (Open Financial Exchange) parser built on top of Nokogiri. Currently supports OFX 102, 200 and 211. Usage: OFX('sample.ofx') do |ofx| p ofx end

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Re:VIEW Starter to Re:VIEW

A simple CSV reader.

TableFormat shows text table like emacs org-table for easy reading.

XlsxComposer provides cursor-based navigation and reusable templates for generating dynamic Excel spreadsheets using WriteXLSX.