Digitized sheet music in the public domain (prior to 1923). Consortium members include UCLA, Indiana University, Johns Hopkins University, and the Library of Congress, among several others.

A virtual library of some 2,000 pieces of sheet music published in California between 1852 and 1900, together with related materials such as a San Francisco publisher's catalog of 1872, programs, songsheets, advertisements, and photographs. Images of every printed page of sheet music have been scanned at 400 dpi, in color where indicated.

This collection from the University of Rochester contains more than 20,000 scores in the public domain. Many of these are unique to the Sibley Music Library collection.

Nearly 100 opera and musical theater scores from UIUC have been digitized. Represented in the collection are the works of composers such as Victor Herbert, John Philip Sousa, and Gilbert & Sullivan.

The IMSLP is a community-built library of public domain sheet music that contains an extensive collection of original scores scanned to PDF.

The worldwide free sheet music directory; over 45000 pieces of music available to download in PDF format; site can be accessed in French or English-language

This site is a wiki-style portal dedicated to providing free, legal scores of choral music.

Mozart's musical compositions widely and conveniently accessible to the public, for personal study and for educational and classroom use.

Free printable sheet music paper

Create, play and print sheet music for free with this composition and notation software (download required).