friendly_id

FriendlyId is the “Swiss Army bulldozer” of slugging and permalink plugins for ActiveRecord. It allows you to create pretty URL’s and work with human-friendly strings as if they were numeric ids for ActiveRecord models. Maintained by norman on GitHub, where it has earned 6,225 stars from the community.

It's actively developed around friendly-url, plugin, rails, and is a solid reference for anyone building with these tools.