Electronic Editions of the Gospel according to John in Greek, Latin, Syriac, and Coptic

http://www.iohannes.com/

A great resource for folks want to do text-critical work on the Fourth Gospel.

The International Greek New Testament Project edition of the
Greek majuscule manuscripts of John

Vetus Latina Iohannes
An edition of the manuscripts with Old Latin versions of John

The United Bible Societies Byzantine Text of John

Biblia Coptica
Facsimiles and transcriptions of Sahidic Coptic manuscripts of John

IGNTP Transcripts
Transcriptions of Greek Papyri, Majuscules and Minuscules (work in progress)
Transcriptions of the Minor Coptic Versions