Acts As Licensed is a plugin which provides a basic content licensing system to community centred Ruby On Rails applications. The plugin includes a set of Creative Commons New Zealand and Australian licenses, which can be imported (excluding the No Derivative Works variant).
A variant of HTTP URL Validation is a Rails plugin that allows you to validate a URL entered in a form. It validates if the URL exists by hitting it with a HEAD request (and the improvements include retrying with other variants until it fails decisively).
Using media_selector as the basis of a tinymce plugin for choosing from an existing image from a specified provider or uploading a new image to the provider and returning HTML for image to TinyMCE editor instance.
Enables easy display of items (taken from a Rails 3 model) with Google Map, OpenLayers, Bing or Mapquest. Geocoding + Directions included. Provides much options: markers customization, infowindows, auto-adjusted zoom, polylines, polygons, circles etc... See wiki for full description and examples.