- A digital library of over 1,500 English-language Christian theological classic and contemporary works. This site does not address Eastern and Orthodox Christian traditions, nor those of non-Christian religions.
- British Gallery: Online Gallery Sacred Texts
- Christian Classics Ethereal Library
- An online theological library of classic texts from the Christian tradition.
Hathi Trust Digital Library
- Internet Sacred Text Archive
- Asian Classics Input Project (ACIP)
- Bible Translations (New Testament Gateway)
- The ARTFL Project: Multilingual Bibles
- Perseus Digital Library: Greek and Roman materials
- ATLA Cooperative Digital Initiatives Project
- "[P]rovides access to digital images of woodcuts, photographs, slides, papyri, coins, maps, postcards, manuscripts, lithographs, sermons, shape-note tune books, and various forms of Christian art, architecture, and iconography" (quoted from website).