Ambit is a ruby non-deterministic programming system with backtracking and branch cut.

https://rubygems.org/gems/apoptosis I got the idea for this gem during JRubyConf during Michael Feathers' talk. He made a point that software is alive and unlike biological systems, doesn't have an automatic way to kill off old 'cells'. This gem is to aid in finding old, potentially crufty areas...

DataMapper plugin that generates unique permalinks / slugs

You don't have to wait until Ruby 2.0 to get (named|keyword) arguments support. Arguments has been tested with Ruby 1.8.6 and ruby 1.9.1 and eventually will work with JRuby (if someone is interested in contributing, I guess is possible since merb-action-args works with JRuby)

ar_mailer is a two-phase delivery agent for ActionMailer. Even delivering email to the local machine may take too long when you have to send hundreds of messages. ar_mailer allows you to store messages into the database for later delivery by a separate process, ar_sendmail.

artbase

artq - query (ethereum) blockchain contracts / services for (meta) data about art collections via json-rpc

This is a ruby gem that lets you implement categorization systems with ease. Associative memory neural networks make it easy to identify probable patterns between sets of named data points. It can be cumbersome to interface with the neural network directly, however, as a typical implementation ...

Really simple PAM support for Authlogic via the rpam package. Code heavily based on authlogic_ldap and authlogic_openid.

AutomateIt is an open source tool for automating the setup and maintenance of servers, applications and their dependencies.

backgrounds - generate your own unique pixel art background images (off chain) from text attributes (via built-in spritesheets); incl. color stripes, gradients, and more

Ruby wrapper for the Shoeboxed API.

beerdb - beer.db command line tool

beerdb admin addon - rails engine

beerdb-labels gem - beer labels (24x24, 32x32, 48x48, 64x64) bundled for reuse w/ asset pipeline

beerdb-models - beer.db schema 'n' models for easy (re)use

beerdb-note gem - beer.db addon for notes, bookmarks, drinks, etc.

belles - generate your own 24×24 beau / belle pixel head images (off chain) from text attributes (via built-in spritesheet); incl. 2x/4x/8x zoom for bigger sizes and more

It's my special string.

This gem contains some classes to manage bind9 zone files