The original rolls of the Irish chancery were destroyed in 1922. CIRCLE provides a reconstruction of these invaluable record. It brings together all known letters enrolled on the Irish chancery rolls during the Middle Ages (1244–1509) using copies, transcripts and calendars ranging in date from the fourteenth to nineteenth centuries. The website also includes sample images of original Mss.

This project focused on the creation of a digital edition of the 17th c. Alcalá Account Book, from the Irish College of Alcalá de Henares, Spain. We have provided an online, interactive, full-text, searchable version of the manuscript, along with its transcription (Spanish), translation (English) and preservation quality images.

An Irish-language biography project developed by Fiontar, DCU, with Cló Iar-Chonnachta, and Diarmuid Breathnach and Máire Ní Mhurchú, original authors. The Dept. of Community, Equality and Gaeltacht Affairs is funding the initial strand to digitize and publish online nine volumes of Irish biographies (1986-2007). A valuable original study comprising biographies of Irish men and women, 1560-2006.

The Art College Student Registers comprise 150 ledgers spanning the period 1877-1986. Each page of the ledgers has been digitally scanned and the individual names of students, and the academic year of enrollment have been indexed and are available as a searchable database. Approximately 20,000 named individuals have been recorded, providing a unique record of Irish artists and designers.

'Christ on the cross' is a multidisciplinary project that includes amongst its ambitions the creation of a database detailing all the images of the Passion surviving from Ireland 800-1200, linked to the texts in which they are described.

CELT brings the wealth of Irish literary and historical culture to the Internet. By August 2010, it has a searchable online textbase of 13.7 million words, in Irish, English, Latin and other languages, encoded in TEI-conformant XML, in over 1100 contemporary and historical documents from many areas, including literature and the other arts.

Digital Resources & Imaging Services is a new department dedicated to the creation of digital content from the Trinity College Library Dublin's extensive collections of Early Printed Books and Manuscripts. The DRIS department is currently engaged in the development of a digital library collections online repository to provide open access to these valuable cultural and academic resources.