macbre

This extension has been inspired by http://devel.kostdoktorn.se/cache-translation-object and gives up to 5x speed increase when using WordPress with “custom” (i.e. non English) localisation files.
MO object created by WordPress is cached and stored in the <code>/wp-content/cache/</code> directory and then used when loading localisations.

l10n cache

Improves site performance by providing caching for localisation objects (*.mo files).

Sergey Biryukov

This plugin is available for reference only. Its functionality has been replaced and extended by <a href="https://wordpress.org/extend/plugins/cyr2lat/" rel="ugc">Cyr-To-Lat</a>.
The original author of this plugin is Anton Skorobogatov, who passed away prematurely in 2007. I decided to make it available for installation through the Plugin Browser/Installer. I take no credit for the creation of this plugin.
Converts Cyrillic characters in post slugs to Latin characters. Very useful for Russian-speaking users of WordPress. 
You can use this plugin for creating human-readable links.
Thanks to Alexander Shilyaev for the idea.

Rus-To-Lat

Converts Cyrillic characters in post slugs to Latin characters.

l10n cache vs Rus-To-Lat