Blue Letter Bible
Searchable King James Version, with Greek text for each New Testament verse in graphics form (no font software needed, but no breathings or accents). Hebrew text for Old Testament.
Greek Biblos
Greek New Testament both online and available for download.
Greek New Testament
For browsing and searching; fully accented alphabet using GIF images (no additional font needed). Editing from N.A. 26 by Tony Fisher.
Interlinear Greek-English New Testament
Greek text with word-by-word translation and a new English translation with critical notes particularly with reference to the Codex Vaticanus. Published in 1864 by Benjamin Wilson.
Olive Tree Bible Software - Search Bible Versions
Search versions of the Greek New Testament, 1991 Byzantine Greek Text, 1881 Westcott-Hort Text and 1550/1894 Textus Receptus, plus interlinear versions and texts with grammatical tags.
Online Greek Bible
Complete accented New Testament for browsing or searching in a choice of fonts; shopping for ancient Greek printed matter; and educational resources.
Septuagint
The Greek Old Testament in Romanized text format.
The Bible: An Ancient Greek Version
The New and Old Testaments in Adobe Acrobat format.
The Unbound Bible
Various Greek versions of the New Testament and LXX version of the Old Testament and Apocrypha. In Symbol font/unicode.