Anton Paramonov

Pretty simple plugin for disable:
<ul>
<li>the XML-RPC on a WordPress site running 3.5 or above</li>
<li>new emoji functionality in WordPress 4.2</li>
<li>Posts and Comments general feeds</li>
</ul>
And remove:
<ul>
<li>WordPress genarator meta tag from HTML source page</li>
<li>link to wlwmanifest file from HTML source page (Windows Live Writer)</li>
<li>link to RSD EditURI from HTML source page</li>
<li>X-Pingback from HTTP headers and pingback_url in HTML source page</li>
<li>shortlink from HTTP headers and HTML source page</li>
</ul>
Translated on English, Russian and Ukraine languages.

YaBlog

Allows administrators to globally disable XML-RPC, new emoji functionality in WordPress 4.2, wp generator, wlwmanifest, RSD EditURI and rss/feeds on t …

victor4g

Global Setting allows you to add, update and delete the global variables for your blog. Get Paid version at : http://just4u.x10.bz/global
Features include:
<ol>
<li>
You can add new custom global variables for your blog.
</li>
<li>
Short code available to use that created option values in post and page.
</li>
<li>
You can add Logtext as global variable value with HTML tags.
</li>
<li>
You can add Global settings for your site i.e Facebook Api Key, Home page text etc.
</li>
</ol>
<h3>Settings</h3>
Go to Admin -> click on Global Setting tab.
<ol>
<li>
Click on add option button to add new option.
</li>
<li>
Duble click on option value to edit it and then press update button to save it.
</li>
</ol>

Global Setting

Global Setting allows you to add, update and delete the global variables for your blog. Get Paid version at : http://just4u.x10.bz/global

YaBlog vs Global Setting