Geometry modules with strong types, e.g. a vector with width, height, depth.

Use the Google Maps API to geocode an address to a latitude and longitude

HashMore class to create a recursive hash

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.

Migration helper extensions for Ruby On Rails development

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.

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

Range.parse method to convert text to a Range object

Time stamp methods to generate a string with formating such as RFC ISO datetime

Time.terse methods to generate a string formatted with YMDHMSN

ToId converts types to ids and uuids

ZID generates a new random id, suitable for foreign keys, security authentication, unique tracking, etc.

A Ruby gem to send and receive messages through Slack

Sneaker lets you launch a rails command in multiple capistrano stages simultaneously