This is the homepage of a commercially marketed product, a database of medieval Latin abbreviations. According to the developpers of the product it "... is a powerful database designed for use in both learning and teaching medieval Latin paleography. AbbreviationesM can be used as a reference and research tool as well. It consists of a database (Main Dictionary) and a database application (AbbreviationesM) – a mature, robust, and reliable program, suitable for everyone from the novice to the expert. ... Furthermore, this database currently contains more than 60.000 entries ...". A free demo version is available.