Leitourgia 1.4.1 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free Mac application is Peace Lutheran Church.
The application lies within Lifestyle Tools, more precisely Religion & Esoterics. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Leitourgia helps you plan your worship far in advance and always know where that planning can be accessed. You will find the application very easy to use, since its one main window is easy to understand. You can have easy access to all the elements of a particular worship service.
You may want to check out more Mac applications, such as AstrologX, Opera Bible or Ya Allah All Duas, which might be similar to Leitourgia.