ALIM (Archivio della Latinità Italiana del Medioevo / Archive of the Italian Latinity of the Middle Ages) aims to provide free online access to all the Latin texts produced in Italy during the Middle Ages.
Europeana Collections. Search 312,144 manuscripts from antiquity to the early print era.
International Image Interoperability Framework (IIIF) Compliant Manuscripts and Rare Books before 1800. The effort undertaken to develop this application seeks to build on the work being done by the IIIF Discovery Technical Specification group. In a sense it is also a way of promoting it and encouraging the institutions to implement the Discovery specifications of IIIF.
Manuscriptorium - European Digital Library of Written Cultural Heritage.
Medieval Academy of America's "Curated Guide and Database" of medieval digital resources.
Medieval Latin Library - full Latin texts available online in html.
Medieval Libraries of Great Britain. This resource brings together complementary fragments so as to enable an integrative reading of the cultural evidence.
Mirabile. Digital Archives for Medieval Culture
Monastic Manuscript Project. Albrecht Diem is responsible for the content of this website. He works as Associate Professor in the Department of History, Syracuse University. "The Monastic Manuscript Project is a database of descriptions of manuscripts that contain texts relevant for the study of early medieval monasticism, especially monastic rules, ascetic treatises, vitae patrum-texts and texts related to monastic reforms."
SIEPM Medieval Philosophy Virtual Library of works, assortment of digitized printed versions and digitized mss.