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A concordance, indexed by Coptic, Greek, and English words
A set of translations for a given saying (e.g., 01t)
The indexed Coptic-English interlinear for a given saying (e.g., 01i)
The Common Index and List of Unindexed Words
Facsimile of any of the pages 32-51 of Codex II
The Greek text of the P.Oxy. fragments, critical or interlinear

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errata/emendations as of 200121: Th 9, 13, 57, 65, 79, 94, and 114.