Tweet is a simple script that combines Twitter + QuickSilver.
using terms from application "Quicksilver" on process text tweet tell application "Keychain Scripting" set twitter_key to first Internet key of current keychain whose server is "twitter.com" set twitter_login to quoted form of (account of twitter_key & ":" & password of twitter_key) end tell set twitter_status to quoted form of ("status=" & tweet) set results to do shell script "curl --user " & twitter_login & " -F " & twitter_status & " http://twitter.com/statuses/update.json" -- display dialog results end process text end using terms from