Changes

* [http://www.auto-graphics.com/download/SHOWMARC.EXE Showmarc] : is a DOS program that will show all the MARC fields used and how many times each is used.

* [http://rossjohnson.homemail.com.au/MARCRTP/ MARC Record Translation Program] (MARC RTP) is a command line utility that shows fields and subfields used in a collection of MARC records and then converts, and selectively imports, into databases built with general-purpose applications.

* The [http://www.loc.gov/marc/marc-functional-analysis/tool.html FRBR Display Tool] takes a file of MARC records and creats XML and HTML files arranged using the Functional Requirements for Bibliographic Records principles.

* [http://mysite.du.edu/~ttyler/freeware/marcxgen.htm MarcXGen] is a Marc URL extractor and HTML generator. Useful for link checking MARC records.

* [http://www.loc.gov/marc/makrbrkr.html MARCMaker and MARCBreaker] are DOS programs by the Library of Congress for converting MARC records to a text format and back.

* [http://www.nationallibrary.fi/libraries/format/usemarcon.html USEMARCON] is a multi-platform rule-based MARC record manipulation program. It is a command-line utility but there is also a GUI for it.