'PANDEKTIS - A Digital Thesaurus of Primary Sources for Greek History and Culture' is a project of the National Hellenic Research Foundation which contains major digital collections of Greek history and civilization. The collections have been produced by the Institute of Neohellenic Research, the Institute of Byzantine Research and the Institute of Greek and Roman Antiquity. The National Documentation Centre supports the collections' digital form. It aims to provide free access to eleven integrated and scientifically elaborated collections produced by the three humanistic Institutes of the National Hellenic Foundation for Research - Institute of Greek and Roman Antiquity, Institute of Byzantine Research, Institute of Neohellenic Research. The scientific community and the society gain online free access to the research results through the PANDEKTIS online digital collections.

• Modern Greek Visual Prosopography
  A collection of 12,000 digitized portraits of Greek men and women from the the fall of Constantinople (1453) to the present day.
• Database of Travel Literature (15th-19th centuries)
  Database of rare travel literature material (texts and illustrations) on Southeast Europe and the Eastern Mediterranean from the 15th to the 19th century.
• Greek Cartography: the Documents (15th-19th centuries)
  A collection of the cartographic work of Greek mapmakers and Greek publishers of maps and cartographic material from the 15th century to 1820.
• Heraldic Database of Greece
  A collection of the heraldic monuments all over Greece from the 13th to the 19th century.
• Greek Painters After the Fall of Constantinople (1450-1830)
  An exhaustive record of the painters from 1450 to 1830, their biographical details as well as an index of their works (portable icons or church frescoes).
• Monastic Archives. Documents from Mount Athos and Patmos
  
  A collection of archival material from the Athonite Archives and from the monastery of Saint John the Theologian in Patmos

http://pandektis.ekt.gr/dspace/history.jsp