kolitsoy

bza

BZA is an assistant that intends to help you get the correct pitch for any note of Byzantine chant, but it can also be used for isokratima.

orthcalkaov

OrthCalKAOV is an application that provides support for both the Old Calendar (Julian Calendar) and the New Calendar (Revised Julian Calendar) for the years 1925 to 2099.

byzplayer

ocma