Dmitry

Bump This is a simple plugin that adds a button to all your posts with which users can bump their favorites. If there are enough users who also bump the post, it will move to the top of the page. However, new posts will appear above it. This plugin is a good way for your users to provide feedback on posts they like.

Bump This

Bump this is a simple plugin that lets users  bump their favorite posts.

zackproser

The Simple Twitter Follow Me button allows you to add a small or large Twitter follow button to the end of every post so you can grow your Twitter following with your blog readers and let your audience easily share your content on social networks.
Once installed and activated, go to Settings -> Reading and scroll down to the Simple Twitter Follow Button settings.
Here you can enter your Twitter username and choose whether the button should be small or large.

Simple Twitter Follow Me Button

This plugin is the easiest way to add an official Twitter follow button at the end of every post so your readers can follow you on Twitter.

Bump This vs Simple Twitter Follow Me Button