Versatile PDF creation and manipulation for Ruby
FriendlyId is the “Swiss Army bulldozer” of slugging
Complete Ruby geocoding solution
Minimal authorization through OO design and pure Ruby classes
Create beautiful JavaScript charts with one line of Ruby
Cache Redis stores for Ruby web frameworks
Streaming downloads using Net::HTTP, http.rb or HTTPX
jQuery for Opal
Ruby library for creating background jobs and processing them
EventMachine, fast, simple event-processing library for Ruby programs
Performance enhancement API for RPG Maker XP, VX, VXA.
Block-buffered and cached read over IO objects as Strings
Authorization Gem for Ruby on Rails