Ruby
Net::HTTP provides a rich library which can be used to build HTTP user-agents.
Database based asynchronous priority queue system -- Extracted from Shopify
Ruby on Rails Gem for the Facebook Messenger Bot Platform
Definitely the best way to make Bots on Facebook Messenger with Ruby
Easy drag & drop sorting with persisting the arranged order for rails
An acts_as_sortable/acts_as_list replacement built for Rails 4+
SQL Server Adapter For Rails
Classier solution for file uploads for Rails, Sinatra and other Ruby web frameworks
an asset gem containing Adam Shaw's excellent fullcalendar jquery plugin
A port of fullcalendar-rails with bootstrap baked in.
A small application with integrates with Devise + Twitter + Facebook + Linkedin + Google + Github.
Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.
A library for bulk insertion of data into your database using ActiveRecord.