Plugin to share about your old posts on twitter, facebook, linkedin to get more hits for them and keep them alive.
Tweet Wheel plugin helps you to share your WordPress posts, pages, products and any post type on Twitter automatically without your supervision.
Plugin that automatically tweets your old posts (including custom posts) which helps you increase the traffic on your website.
Plugin to Buffer about your old posts to get more hits for them and keep them alive.
Twitter button plus is nice and useful tool to show Twitter tweet button on your website.
This plugin allows site owners to reshare their content automatically on a schedule to bring new life to existing posts and increase traffic.
Evergreen Post Tweeter enables you to schedule and automatically tweet out links to old posts.
This WP Twitter plugin auto posts updates from your blog to twitter, auto shorten URLs with TLI.TL url shortener
HL Twitter stores tweets from multiple accounts and displays them via widget, archives and shortcodes as well as auto-tweeting new posts.
Automatically tweets each new blog post directly to twitter. Get Top backlinks, inform your followers in real time, all on autopilot.
Tweet2Download allows a wordpress blog to require a tweet and a follow in exchange for the downloads or article parts available on the blog.
Share&Get it ! automatically provides you with either Facebook fans or Twitter followers in return for downloadable content