Maestrano is the next generation marketplace for SME applications. See https://maestrano.com for details.

Manage device tokens and push messaging with Rails and FCM.

Ability to validate e-mails using the Mailgun API with a REGEX fallback.

Easily add Mailgun Webhook integration to your Rails or Rack application.

Moduler solution to add search functionality for selected fields.

A content management framework for Rails (compatible with 3.1 and 3.2)

Quick and easy mapping with MapPLZ

Marley is a framework for quickly building RESTful web services and applications. Development is fast for two reasons: Marley implements lots of sensible defaults, all of which can be overridden and most of which can be overridden easily. And Marley servers exchange only data and metadata with clients.

A multi-dimensional semantic layer on top of ActiveRecord that allows running pivot table queries and rendering them as CSV, HTML, or KickChart-ready hashes. Supports time dimensions, cohort analysis, custom rollups, and drilling through to the underlying ActiveRecord objects.

This gem aims to provide an easy and faster way to do single database insertions in Rails.

Paperclip-Azure is a [Paperclip](https://github.com/thoughtbot/paperclip) storage driver for storing files in a Microsoft Azure Blob. This is a friendly fork of the [original gem](https://github.com/supportify/paperclip-azure); it incorporates bugfixes that haven't yet been incldued in point releases of the upstream gem and some new features.

Undo for Rails/ActiveRecord - covers destroy, update and create

MessageQuickly includes a mountable engine to process webhooks, and an API wrapper to talk to Facebook.

Extraction of MRI metadata.

Metova libraries for Ruby on Rails

Metricky

Report key app statistics to the Librato Metrics service and easily track your own custom metrics.

Similar article extension for middleman-blog. Finds similar articles using tags, part-of-speech or custom lambda.

Microbial Genomes Atlas

Rake tasks for Rails that add groups to migrations