The Goodspeed Manuscript Collection - 65 early Greek, Syriac, Ethiopic, Armenian, Arabic, and Latin manuscripts to be made available digitally. - http://goodspeed.lib.uchicago.edu/
Chicago's Archaic Mark (MS 2427) - Novum Testamentum article (PDF) about an unusual manuscript of the gospel of Mark. - http://www.ingentaconnect.com/content/brill/not/2006/00000048/00000001/art00001
Institute for New Testament Textual Research - [English, German] Concerned with the transmission history of the Greek New Testament and maintaining critical editions. - http://www.uni-muenster.de/INTF/
Aramaic New Testament - Articles supporting the premise that the Peshitta Aramaic New Testament is the original behind the Greek manuscripts. - http://aramaicnt.com/
Aramaic Peshitta for Dummies - E-book which looks at texts from each of the New Testament books and explains how the Aramaic text accounts for the difficulties. - http://www.aramaicpeshitta.com/Peshitta_Dummies_FirstEd.pdf
Was the New Testament Really Written in Greek? - An e-book written by Raphael Lataster which looks at texts in Greek and Aramaic, advocating primacy of the Aramaic text. - http://www.aramaicpeshitta.com/WastheNewTestamentReallyWritteninGreek1c.pdf
Aramaic Peshitta Bible Repository - Asserts that the New Testament was originally written in Aramaic. Online interlinear Peshitta. - http://www.aramaicpeshitta.com/
A Student's Guide to New Testament Textual Variants - Unique site with an introduction to textual criticism, and a complete listing of textual variants for each book of the New Testament. - http://bible.ovc.edu/tc/
Wieland Willker's Bible Links - Focuses on New Testament text and canon: includes photographs and discussion of important texts and manuscripts. Commentaries on each of the Gospels based on the Greek text. - http://www-user.uni-bremen.de/~wie/ww_tc.html
Gospel of Luke - Includes Scrivener's edition of Codex Bezae, with variants from Nestle-Aland marked; Aramaic Peshitta with English interlinear translation. - http://www.suduva.com/text1/
Textus Receptus - An overview of printed Greek texts, focusing on variations in the "Textus Receptus". - http://www.skypoint.com/~waltzmn/TR.html
Bible Versions in Focus - Excerpts from a book comparing variants in Greek manuscripts. - http://www.kamon-design.com