Extensions that start with the letter R, run on ExpressionEngine 2, are compatible with Multi-Site Manager, are Free and are sorted by Entry Date.
This Extension will add an edit link to all entries in a relationship field. This way you can edit/view your related entries in a quick way.
A few tweaks that we think makes the already great Structure add-on even better, without messing with it.
Tap into your Google Analytics account and display the charts and the stats right in the Control Panel.
View, organize and edit your Global Variables. Republic Variables is made for multi-language content, but works great for your single language sites too.
Enable global variable parsing for the default edit title preference.