The American Choral Directors Association (ACDA) is a nonprofit music-education organization whose central purpose is to promote excellence in choral music through performance, composition, publication, research, and teaching. The official publication of the American Choral Directors Association is Choral Journal that contains articles and reviews of newly released CD recordings, books, and printed music.

American Choral Music, a collaboration of the the Library of Congress and the American Choral Directors Association, provides access to significant choral music in the public domain by the leading American composers of the time.

ChoralNet is the professional networking site for the global online choral community. Here are forums, choral organizations, choirs, resources, and the latest news of interest to the choral world.

Contains scores, texts, translations, and information about composers.

Chorus America is the advocacy, research, and leadership development organization that advances the choral field.

An index, bibliography, discography, and research guide. May be searched by name of composer, conductor, performing ensemble, country, period, etc.

An international index to choral scores for documentary research and pedagogy. Intended for conductors, musicologists, schools of music, musical federations, music stores, and others eager to know about the choral music repertoire. The documentary structure of each record is a set of 80 different types of information (composer, arranger, publisher, title, genre and form, level of difficulty, type of choir, language, century, instrumentation, etc.). Includes texts, translations, audio, video, midi files, and references to publication information. The Yale Library subscription provides access to the full database