HK Web based union catalogue for school libraries
http://www.schoolcatalog.edu.hk/webunione.htm
Follett's Alliance Plus Online (3.9 million records) $249USDollars+
http://www.fsc.follett.com/products/allianceplusonline/sellsheet.pdf
Schools Catalogue Information Service (SCIS)
Over 1200 downloads per year is $900 AUD. Contains over 700,000 records. Mainly Australian in origin. http://www.curriculum.edu.au/scis/
Precision One by Brodart.com
2 million records http://www.brodart.com
IT's Marc
US based online based, 15 million records
http://www.tlcdelivers.com/tlccarl/products/cataloging/itsmarcoffer.asp
OCLC Catexpress - access to 47 million records
membership fee plus download per record fee
demo tutorial at http://www.purl.org/oclc/catxtutorial
http://www.oclc.org/oclc/cataloging/catexpress/CatExpress.pdf
MarciveWeb Select
http://www.marcive.com/HOMEPAGE/web6.htm
offers a 30 day free trial.
AV Access Plus from Professional Media Services Corp.
Specifically for AV materials 500,000 records
Free trial version.
Sagebrush
Offers a total package for system operation as well as databases.
http://www.sagebrushcorp.com/dataservices/databases.cfm