Integer#map method to run a block multiple times

Tool to parse the first bytes of a file and compare it to a list of known mime types.

Markdown general purpose classes

Generate a Markdown table of contents via headlines, links, and anchors

Math statitics methods for sum, mean, median, mode, variance, deviation, etc.

Metric names for numbers, such as kilo, mega, giga

Migration helper extensions for Ruby On Rails development

A Minitest assertion & expectation to compare the assigns(:symbol) method, which is typical of Rails controllers

A Minitest assertion & expectation to compare two objects by sending a message

A Minitest assertion & expectation to compare two collections, such as enumerations or arrays, in any order, and with output that shows the difference

A few simple Minitest assertions and expectations

Numeric#percent method to calculate a percentage

Numeric #round, #floor, #ceil, #truncate methods

PersonName methods to calculate a person's full name, list name, initials, etc.

Logs more information than the typical Ruby logger.

Dark Sky API gem to get weather forecasts

Adds extensions to Array, Date, Enumerable, File, Hash, IO, String, Time, etc.

Range.parse method to convert text to a Range object

REXML extensions for XML documents, elements, and attributes

Sign In abstraction for a typical web app user