Spina CMS
CSS styled emails without the hassle.
Gem to create tables grids with sortable columns and filters
Ruby string class extension. It add some methods to set color, background color and text effect on console easier using ANSI escape sequences.
Ruby Facets
Work with Philips Hue from Ruby
Send and retrieve your ruby i18n localizations to the Locale translation service
Easy multi-tenanting for Rails5 (or Rails4) + Devise
Realtime MIDI IO for Ruby
Discord API for Ruby
Gem vulnerability checker using rubysec/ruby-advisory-db
A Ruby gem for reading and writing the Wave file sound format (*.wav)