em-synchrony-couchdb

https://github.com/tinomen/em-synchrony-couchdb

em-synchrony-couchdb is a simple, convenient, and non-blocking client for CouchDB implemented using the em-synchrony version of EventMachine::HttpRequest and based completely on the em-couchdb gem. With em-synchrony-couchdb, you can easily save, query, delete documents, databases to/from a CouchDB database in your favourite language - Ruby.