Septuagint

The Society of Biblical Literature's critical edition of the Greek New Testament, with notes comparing the readings of other editions. It's the most widely used free alternative to Nestle-Aland in seminaries.

Michael W. Holmes

The Textus Receptus, the Greek text behind the King James Version, with notes comparing manuscripts. Ideal for checking classic translations against their Greek source.

Adam Boyd

The Greek New Testament published by the Patriarchate of Constantinople in 1904, still used today in the Orthodox liturgy. A clean edition with no critical apparatus, made for reading straight through.

Ecumenical Patriarchate of Constantinople

The New Testament in the Byzantine text of Robinson and Pierpont (2018), with critical notes recording the variants of the major editions. A useful tool if you study textual criticism.

Maurice A. Robinson and William G. Pierpont