Poly is a Ruby CMS with smart asset compiling and much, much more.

Ruby client for the Pop Up Archive API. See https://www.popuparchive.com/

PreventGo sdk

Book boilerplate to generate books as EPUB, MOBI, and PDF from simple Markdown text files. Or from HTML. Or from LaTeX. Or mixed.

Ruby client of Pushbullet API

Qiniu Cloud Storage SDK for Ruby. See: http://docs.qiniutek.com/v1/sdk/ruby/

With sortables pictures Rails plugin you can have pictures with tags, comments and ordering.

A file upload library for use with MongoDB and S3

Radio is a gem for converting words to radio (alpha beta etc)

OpenStack Object Storage Simple Client

Teleport your files from Rackspace Cloud Files to AWS S3

Rack Middle to creating static copies of rendered endpoints and reload them. It equates to a static file cache with other possible uses. See rubyops.net/gems/rack-hard-copy for details.

Add rel=preload headers to Rack applications

Cache Control Image Assets in rails development

Uses the mail library for sending exceptions

A rack middleware to cache requests in static files, a la Rails' page_cache

Web page speed optimizations at the Rack level - fork

Collection of CLI tools and Rake tasks for common activities.

RailApp: ruby on rails application starter kit

Rainforest automates your functional and integration testing with our QA-as-a-Service API.