heyyonatan

With “Add Authors Not Users” users can add guest author names to posts and pages, without the obligation to add them as registered users.
While guest posting is a very common practice , WordPress configuration is such as adding guest post authors? name can be time consuming and burdensome.
Users have to add the guest author as a user first, which includes adding his email, making sure he or she has the right permissions and only then it is possible to define the user as the author of the post or article. In short, registering users can be time consuming especially if you have many guest posts.
With this WordPress plugin everything become super simple. It adds a guest author box to the post dashboard where the user can determine the author?s name.
The guest author name will be saved to the post metadata and the metadata value will override the user?s name for the specific post.
This plugin is undoubtedly the most simple and straightforward solution to change guest author name by adding the author box to WordPress dashboard.
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Brief description: add a guest author name without needing to register a new user. 
This plugin adds a metabox in post dashboard with a guest author name field.

Add authors not users

This is a short description of what the plugin does. It's displayed in the WordPress admin area.

OpenWeb Admin

Comments Evolved ( formerly Google+ Comments for WordPress ) makes the comment section tabbed seamlessly adding tabs for G+ Comments, Facebook, Disqus, WordPress Comments, and Trackbacks
If a user is required to create an account with your site before they can comment, you might as well ask them to fetch you a soda from mars. It’s probably not going to happen. However, if you can give them the option to comment with an account they’ve already set up, then you will be much more likely to get some interaction.
**Source Code @ Github: ** <a href="https://github.com/bholtsclaw/comments-evolved" rel="nofollow ugc">comments-evolved@github</a>
Using this plugin or JavaScript to load comments does NOT have a negative effect on your SEO, Google now indexes content ( and specifically comments ) loaded via JavaScript. See <a href="http://blog.optimum7.com/safon/google/google-now-indexing-fb-comments.html" rel="nofollow ugc">this link</a> and also <a href="http://webmasters.stackexchange.com/questions/27042/effect-on-seo-of-lazy-scrolling-on-html-comments" rel="nofollow ugc">this one</a> for more details.
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<li>You should have <a href="http://plus.google.com/authorship" rel="nofollow ugc">Google Authorship</a> already setup and in use for your site.</li>
<li>I’ve setup a page so if you want to <a href="http://www.wepay.com/donations/brandonholtsclaw" rel="nofollow ugc">Donate</a> to this plugins development, now you can.</li>
</ul>
This plug-in is not endorsed or associated with the Google, Twitter, Disqus, Facebook, WordPress.org, Automattic, or WordPress HelpCenter.

Comments Evolved for WordPress

cool extension
Adds Google and Facebook in no time
Super simple to use!



Simple and nice looking

Comments Evolved ( formerly Google+ Comments for WordPress ) makes the comment section tabbed seamlessly adding tabs for Comments & More

Add authors not users vs Comments Evolved for WordPress