WordPress.org

The plugin creates a shorter link for every blog post, so instead of http://kovshenin.com/wordpress/plugins/twitter-friendly-links/ you can use http://kovshenin.com/712. Sweet, huh? Here's a video presentation: Twitter Friendly Links for WordPress

• Easy to setup and configure
• Switch between 302 (temporary) and 301 (permanent) redirection
• Lists all your posts/pages/attachments with short links to each
• Shows the short link in the edit post/page form together with the text you can tweet out (trimmed to 140 characters) and a link to Twitter with the predefined text
• You can output the twitter friendly link in your themes using the twitter_link() function
• New function available: permalink_to_twitter_link() which takes a permalink as an argument and returns a Twitter Friendly Link (if exists)
• Compatible with Sociable, Twitter Tools, Tweet This, SexyBookmarks and AskApache Google 404 plugins
• Compatible with WordPress MU and BuddyPress
• Configurable linking relations (HTML and HTTP) for rel=shortlink, and rel=canonical
• Super easy tracking with Google Analytics! Destination links are Taggable!
• You can now switch to alphanumeric links for sexy links with numbers and letters like example.com/s2e7
• Caching with .htaccess option now available
• Even shorter links with customizable shortlink base URL
• More coming up soon!

YES, I do consider feature requests, and that is what makes this plugin work. The discussions go here: Twitter Friendly Links