hashtag_retweet_bot

https://github.com/tomash/hashtag_retweet_bot

Script that listens to a tag and retweets messages with that tag. Supports both OAuth and HTTPAuth authentication strategies. Retweets using Twitter's native RT feature. Originally made for Scotland on Rails '09 by Mark Connell (http://github.com/rubaidh). Refactored and reworked after Euruko '10 by Tomasz Stachewicz (http://github.com/tomash)