Philip John

This plugins adds a visible link to the end of every post.
Best used in conjunction with the <a href="https://wordpress.org/extend/plugins/googl-shortlinks/" rel="ugc">Goo.gl Shortlinks</a> or <a href="https://wordpress.org/extend/plugins/bitly-shortlinks/" rel="ugc">Bit.ly Shortlinks</a> plugins.
Feature requests welcomed with open arms!

Add Shortlink to Posts

Adds a link to the shortlink for each post below the content.

Gustavo Bordoni

Português 
Esse plugin permite ao adminstrador adicionar um botão para que os usuários possar retweetar o artigo com um link do <a href="http://migre.me/" rel="nofollow ugc">Migre.me</a> .
Importante 
Se você quiser ajudar no projeto entre em contato comigo no site <a href="http://webord.net/desenvolvimento/migre-me" rel="nofollow ugc">Webord</a>.
English 
This plugin allows the Admnistrator to add a button on your blog for your users retweet an article with <a href="http://migre.me/" rel="nofollow ugc">Migre.me</a> link.
Important 
If you would like to help with this project, contact me on my website, <a href="http://webord.net/desenvolvimento/migre-me" rel="nofollow ugc">Webord</a>.

Migre.me Retweet

Allow the Admnistrator to add a button to retweet the article on twitter with Migre.me link.

Add Shortlink to Posts vs Migre.me Retweet