FriBidi is a free implementation of the Unicode Bidirectional (BiDi) Algorithm. It also provides utility functions to aid in the development of interactive editors and widgets that implement BiDi functionality. The BiDi algorithm is a prerequesite for supporting right-to-left scripts such as Hebrew, Arabic, Syriac, and Thaana.
Gentium is a typeface family designed to enable the diverse ethnic groups around the world who use the Latin script to produce readable, high-quality publications. It supports a wide range of Latin-based alphabets, and includes glyphs that correspond to all the Latin ranges of Unicode.