ISOCM has reviewed and approved the following links to other organizations which promote Orthodox liturgical music.
To have your site considered for inclusion with this list, please send a request to the ISOCM Secretary: firstname.lastname@example.org
Analogion (Byzantine music resources)
Austrian Byzantine Society / Theory and History of Monody International Conference
iKliros (Church Slavonic liturgical scores)
Learning the Znamenny notation (D'yachee Oko)