CLI Tool for Ralph (https://ralph.allegro.tech/).

Provides HTML data for Rails apps.

REPL for Rampcode, a bytebeat interpreter for Puredata

This gem allows to generate a random coordinate and to validate its position in a given area (e. g. avoid lake, sea, etc.). This is useful for obtaining locations by reverse geocoding.

A Gem to conditionally execute a block based on a certain probability

Random number generator from a multivariate normal distribution.

RandomPassword.generate(strength = 8) method provides you with a tottally random 8 letter string password which you can alter its strength by providing another number as strength, ex: 16, 32, 64

This gem helps you generate random string of various "types" - a random email, a random date, a random Twitter handle, etc. Or just a random string.

Generate random but unique ids for your active record records.

This gem returns simple JSON/hash responses from the Russian Random User Generator API.

randam colors

generate random numbers that sum up to a given integer

It accepts ranges or items with ranges and compacts them.

Splits database ranges into lower and upper attributes in ActiveRecord

Variation of ranked-model using Pg HStore.

It will add a score to a result with a rule given for the object

Libary for working with neural networks in Ruby.

Provides a generic Rapids/Rivers framework, and a specific implementation using RabbitMQ as the event bus.

Rack server to delivery rails public directory.

Select a single winner using votes that express preferences. This can also be used to create a sorted list of winners