The European Archive
Digital library of cultural artifacts in digital form. The collection includes public information films, recordings and Web harvest of political related and government websites.
http://www.europarchive.org/

Electronic Research Archive for Mathematics (The Jahrbuch Project)
A digital archive of the most important mathematical publications of the period 1868-1942 and a database based on the "Jahrbuch über die Fortschritte der Mathematik".
http://www.emis.de/projects/JFM/

Digital Library and Archives - Virginia Tech
Open Archive Initiative (OAI) compliant digital repository. E-journals, electronic theses and dissertations, faculty archives.
http://scholar.lib.vt.edu/

Mount Wilson Virtual Observatory
Features daily image taken at Mt. Wilson Observatory.
http://www.astrophys-assist.com/wilobs/

Pixeleye.com
Pixeleye.com, das freie Bildarchiv im Montafon von Hartmut Häfele und Kornelia Maier-Häfele.
http://www.pixeleye.com/

Archive-It.org
A subscription service from the Internet Archive, which allows institutions to build, manage and search their own web archive. Includes the sites of universities, libraries, and special interest collections of websites.
http://www.archive-it.org/

Synergetic Geometry
Richard Hawkins' digital archive.
http://www.newciv.org/Synergetic_Geometry/

Digital Morphology
Digital Library focuses on the skull and skeleton, which it surveys from fossils to embryos and adults of living species. The Library serves slice-by-slice animations, animated volumetric and 3D surface renderings, an introduction, references, links, and archival museum data for each specimen
http://www.digimorph.org/

MAGNETICS Digital Library
The MAGNETICS Digital Library can provide technical assistance to solve almost any magnetic material challenge.
http://www.mag-inc.com/library.asp

Advanced Personal Notebook Organizer
Home of Soft Notebook software. Download your free trial copy today. Create, import, organize and archive digital information in tabbed computer notebooks. A must for students, professionals, artists, writers, & homemakers.
http://softnote.com/