A fast and simple in-place implementation of the luhn check algorithm in Ruby using a C extension.

Fluentd

Markdown to HTML with table of contents, sidebar to neighboring directories.

MAth GEOmetry library to deal with 2 and 3 dimensional spaces. Cartesian and internal coordinate systems can be used. This includes besic objects in 3 dimensional space.

zip/rar to mobi (via epub) converter and serve files from web interface

Lots of styles and helpers we used for several projects.

Determines file content types using original Magika's ONNX model

Magnet specified markdown processor

Lodges a callback with `Mail`, capturing all of the mail being sent, and logging it to it's own file, so you can simply look back through that file to see what's up.

Ruby interface for the Sympa mailing list server

Framework built from scratch

Mathematical library to deal with basic problems in algebla.

Manacle will allow you to attach constraints to your objects that will persist across new instances of similar objects. As an example, you can constrain a Time object to always advance to the next hour. Then, if you add even one minute to that Time, it will snap to the next hour.

[[1,2], [3,4]].mapp {|i| i.to_s }

A No Bullshit Markov Chain Generator in Pure Ruby

implements String#match_at

Adds Test::Unit assertions for RSpec and Shoulda matchers

Pass in a string and turn all math equations into itex equations. Or, pass in a block manipulate multiple matches.

Ruby Monthly Calendar, Console and pdf

md2hiki is a Markdown to Hiki converter using redcarpet