TweetEater is a CouchDB application which displays tweets which are harvested from Twitter's streaming API by an accompanying node.js program.
CouchDB, node.js, node.couchapp.js
curl -X POST -H 'Content-type: application/json' http://user:pass@localhost:5984/tweeteater
cd TweetEater
couchapp push app.js http://user:pass@localhost:5984/yourdb
node _attachments/bin/tweeteater.rb twitterusername twitterpassword databasename terms,to,track
Now view your app at
http://localhost:5984/tweeteater/_design/tweeteater/index.html