CouchRest provides a simple interface on top of CouchDB's RESTful HTTP API, as well as including some utility scripts for managing views and attachments.

A Rails plugin for connecting to and working with CouchDB via CouchRest

A Rails plugin to read and write CouchDB documents via Activerecord

CouchRest Model provides aditional features to the standard CouchRest Document class such as properties, view designs, associations, callbacks, typecasting and validations.

Ruby persistence layer for CouchDB

Convenience layer for CouchDB on top of CouchPotato.

A Ruby library for generating identicon. https://github.com/swdyh/quilt

RelaxDB provides a simple interface to CouchDB

CouchFoo provides an ActiveRecord API interface to CouchDB