Medieval is described as 'With the help of Finale, the number one music notation software, the new Medieval plug-in offers you the possibility to produce professional transcriptions of early music easily, from Gregorian square notation to Italian mixed notation, with a beautiful rendering'. There are four alternatives to Medieval for Windows, Mac, Online / Web-based and Self-Hosted solutions. The best alternative is Illuminare, which is free. Other great apps like Medieval are Gregedit (Paid), Caeciliae (Free Personal) and Grégoire (Free).
GregEdit is a software conceived to publish scores of Gregorian chant. This new multiwindows version is of typeDraw oriented objects: i.e. like the drawings of vectorized type and handle themselves like the objects for all the drawing software's of this type.
Caeciliae is a font designed to assist in the notation of “modern” (square note) notation of Gregorian chant. It does not have characters for writing the text of the chant, but rather contains many glyphs that can be combined to create the music line of the chant.
Program operation is very close to that of a vector drawing package, specific knowledge is not required for using it. Its very intuitive design enables easy access for anyone who is acquainted with computer programs.