- CANTUS: Home This database provides indices of chants in selected manuscripts and early printed sources of litergy.
- Musica International : virtual database of choral music
- The Music Dictionary features The Grove Dictionary of Music Vol II, the trusted music dictionary of musical terms and musicians for over 100 years.
- The Dolmetsch Music Dictionary Online.
- OnMusic Dictionary
- Dictionary of North American Hymnology A listing of most hymnals published in North America to 1978.
- Cyber Hymnal – this provides over 7000 Christian hymns and gospel songs from a variety of denominations.
- Oremus Hymnal. The most comprehensive online collection of English-language hymns (with an emphasis on the Anglican tradition). Includes lyrics for thousands of hymns with information about the author and common musical settings; also includes some MIDI music files.
- Hymn Tune Index.- The HTI database contains all hymn tunes printed anywhere in the world with English-language texts up to 1820, and their publication history up to that date.
- Hymn Resources on the Internet – this provides links to internet sites about hymns
- Worship, Music, Culture, and Aesthetics – Resources for Local Churches: Religious Affections Ministries
- Hymn Resources on the Internet
- org – is a comprehensive index of 5,042 hymnals, 1,038,897 published hymns, scores and media files, and information from sources such as Julian’s Dictionary of Hymnology, hymnal handbooks, and experts in the field.
- Christian Classics Ethereal Library – Hymns and Hymnology – A digital library of free Christian hymns and books about hymns.
- Hymn Society in the Unites States and Canada – Digitized Hymn Resources