Online sheet music

International Music Score Library Project (Petrucci Music Library)
Virtual library of public scores and music collections by composers, who want to provide their work to the general public free of charge.

Handel's complete works by Friedrich Chrysander
The most complete collection of Handel's works to date.

Neue Mozart-Ausgabe: Digitalised version
Contains the sheet music and critical reports of the Neue Mozart-Ausgabe, which has been published by the International Mozarteum Foundation Salzburg since 1954 in connection with Augsburg, Salzburg and Vienna, the cities of Mozart.