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Great blog posts, tutorials, and other sites to help you out.

A collection of helpful material about RubyGems. Feel free to fork and add your own!






Tools to help build gems.

  • gemerator - Minimalist tool for generating skeleton gems.
  • hoe - Rake/RubyGems helper.
  • Jeweler - Opinionated tool for managing RubyGems projects.
  • micro-cutter - Tool to build the base files for a MicroGem.
  • newgem - New gem generator.
  • RStack - Generator intended for use on private gems.
  • rubygems-tasks - Rake tasks for building, installing, and releasing Ruby Gems.
  • ore - Project generator with a variety of templates.
  • Omnibus - Generate full-stack installers for ruby code (see this Omnibus tutorial for instructions on using it to package a standalone RubyGem.)


Tools to watch gems for changes.

  • Depfu - Depfu continuously updates your dependencies one gem at a time and creates a pull request with all the info you need. Free for open source.
  • Gemnasium - Parses your GitHub projects to learn what to notify you about. Free for public repos only.
  • Gemnasium gem - Allows you to use Gemnasium without granting it access to private repos.
  • gemwhisperer
  • - Get alerts for new versions of the gems you depend upon.

Hosting and Serving

  • Geminabox - Host your own gems, with a rubygems-compatible API.
  • Gem Mirror - Run an internal mirror of external gem sources.
  • Gemfury - Private cloud-based RubyGems servers. Priced by number of collaborators.


  • gemnasium-parser - Determine dependencies without evaluating the ruby in gemfiles or gemspecs
  • Gemrat - Add the latest version of a gem to your Gemfile from the command line.