NRSI (The Non-Roman Script Initiative): Computers & Writing Systems
   Arabic Script Unicode Fonts
   Ezra SIL Hebrew Unicode Font
   Gentium — a typeface for the nations

Titus

Alan Wood’s Unicode Resources

Fonts and software resources for the Unicode Character Set

Microsoft Typography
   Microsoft Global Development

Cyberbit (download)

Code2000

Unicode Homepage

Bendt Alster Index of Fonts

Hethitologie Portal Mainz Keilschrift-Fonts

MyFonts.com (search for all fonts)

Linguist's Software

Ecological Linguistics Fonts

Paleofonts V. 2 (freeware compilation of 279 TTF files representing more than 30 ancient scripts)

Unicode Character Ranges ( J.R. Graphix, Toronto)

The Unicode Standard Unicode 4.0 Web Bookmarks (This page contains hyperlinks to the online edition of The Unicode Standard, Version 4.0. The Unicode 4.0.0 page lists the contents of the book with links to each PDF file in the online edition. )
   Chapter 8: Middle Eastern Scripts (PDF)

Transliteration of Non-Roman Scripts (A collection of transliteration and transcription tables for various writing systems--Eesti Keele Instituut)

X-Fonter Version 4.3 (Free Font Viewer: lets you see all the ranges covered by various fonts, e.g.., Basic Latin, Arabic, Hebrew, Latin Extended Additional  [U+1E00 – U+1EFF   (7680–7935)]--for romanized Arabic and Hebrew diacritics)

Microsoft Font properties extension, version 2.1