GeoBlacklight provides a world-class discovery platform for geospatial (GIS) holdings. It is an open collaborative project aiming to build off of the successes of the Blacklight Solr-powered discovery interface and the multi-institutional OpenGeoportal federated metadata sharing communities.

Validate Rails forms on the client side, simply

A simple newsletter engine for rails.

OpenC3 provides all the functionality needed to send commands to and receive data from one or more embedded systems referred to as "targets". Out of the box functionality includes: Telemetry Display, Telemetry Graphing, Operational and Test Scripting, Command Sending, Logging,...

Process your attachments with FFMPEG

Paul Revere provides a model and helper methods to do one-off style announcements.

One more solution to create charts in Ruby on Rails application

rails_sortable provides easy drag & drop sorting for rails 4 and 5.

Ruby Adapter for Raygun

SCIM v2 support for Users and Groups in Ruby On Rails

Crowd-sourced translation and localization engine for Rails.

A Ruby gem that allows Oauth2 protection with Doorkeeper for Grape Api's

A Rails 3+ Engine providing a basic contact form. I used Formtastic to keep things simple, and to hook into your apps custom Formtastic stylesheets.

Adding 'Website' field to the contact form.

Assertion grant extension for Doorkeeper.

Doorkeeper Mongoid ORM extension

Stores draft versions of your ActiveRecord models' data in a single table or split up into separate tables. Works with Ruby on Rails and Sinatra.

Captcha-Plugin for Rails

Hydra-Head is a Rails Engine containing the core code for a Hydra application.

The purpose of this gem is to simply provide timezone translations. The gem is intended to be easy to combine with other gems that require i18n timezone translations so we can have common i18n timezone translation gem.