this is a collection of rails plugins which I want to share:

act_as_fuzzy_search : fuzzy search/find on models audit_log : one log line per request cache_headers : setup cache behavior of http response erector_resource_generator : generate restful resource using erector as view (erector.rubyforge.org) guard : authorization of actions parsedate : helper for parsing date from the request referrer_check : make sure the referrer is set and from your website (no deep links from outside allowed) restful_transactions : transaction boundaries for datamapper with post, put and delete requests - does not work with fastcgi or passenger !! unrestful_authentication : unrestful authentication is avoiding redirects for the login procedure error_handling: get a uniform way of handling errors in rails (alpha state) session_timeout: allows to define a idle session timeout as well an ip binding of the session