Werner Icking Music Archive: Johannes Ockeghem
- Missa Pro Defuctis, a Requiem for choir. Includes MIDI audio, and scores in PDF, PNG, and score and parts in MusiXTeX format in ZIP files.
- http://www.icking-music-archive.org/ByComposer/Ockeghem.php

Johannes Ockeghem
- Karadar dictionary entry with life, links to related composers, audio sample, and list of important works.
- http://www.karadar.it/Dictionary/ockeghem.html

Requiem: Ockeghem
- Study of the mass and details of the reaction to his death by the intellectual and artistic elite of his time.
- http://members.optusnet.com.au/~charles57/Requiem/ockeghem.htm

Famous Belgians: Johannes Ockeghem
- Short biography focusing on his royal appointments, surviving works, and Desprez' reaction to his death.
- http://www.famousbelgians.net/ockeghem.htm

Classical Music Archives: Ockeghem
- Music files offered in MIDI, and MP3 audio formats, including live recordings of featured artists.
- http://www.classicalarchives.com/early-o.html#OCKEGHEM

Ockeghem
- Entry in the Grove Concise Dictionary of Music at WQXR radio in New York. Special focus on his masses and motets with list of types of extant works.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=6568

Ockeghem, Johannes (c. 1410 - 1497), Netherlands
- Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers.
- http://stevenestrella.com/composers/composerfiles/ockeghem1497.html

Library of Congress Vatican Exhibit: Music Room Two
- Contains photo of illustrated manuscript with music by Ockeghem.
- http://www.ibiblio.org/expo/vatican.exhibit/exhibit/e-music/Music_room2.html

Johannes Ockeghem (c. 1410-1497)
- Message board, public archives, live chat, and links to various arts and humanities sites.
- http://carolinanavy.com/fleet2/f2/zclassicalmusic/JohannesOckeghem(chall/shakespeare1.html