Convert between units SquareFoot -> SquareMeter and Measures $/SquareFoot/Year -> $/SquareMeter/Month.

Convert various files like MS Word, Excel, PowerPoint, Images to PDF and Images. Create PDF and Images from url and raw HTML. Extract and create PowerPoint presentation from PDF. Merge, Encrypt, Split, Repair and Decrypt PDF files. All supported files conversions and manipulations can be found at https://www.convertapi.com/doc/supported-formats [Backport to ruby 1.8.7]

Simple currency converter

An easy to use Ruby gem that performs currency conversion and arithmetics with different currencies

A CLI tool to convert fonts.

Convert full(or half)-width katakana to hiragana, and vice versa.

Rubygem for the Convertkit API

This gem convert numeral into Chinese Numeral or full-width numeral.

Ruby SDK for the Convertorio API. Convert files between 20+ formats with AI-powered OCR for text extraction. Supports JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, TIFF, ICO, PDF, and more.

A Ruby Library for dealing with different types of unit conversion, \ with Arithmetic operation and comparisons.

Ruby Sandbox

this library converts Hiragana or Katakana (both, UTF-8 without BOM) to Romaji form (using roman alphabet).

Simplification of convolver gem, FFTW removed, suitable only for smaller kernels. Convolver gem author is Neil Slater, slobo777@gmail.com, https://github.com/neilslater

Ruby API client for the Convox platform

Writing even complex command-line apps should be quick, easy and fun. Convoy takes the excellent Trollop option parser and adds a whole bunch of awesome features to produce a library you will always want to turn to when a 'quick script' is in order.

My implementation of GoL for the Junior Ruby/Rails position at MarketPlacer

Conway's Game of Life implemented in ruby

a simple implementation of Conway's Game of Life in Ruby

Automatically sends notifications via AMQP when a model has been changed.

Neural networks in Ruby and CUDA.