OpenQM: Difference between revisions

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The <nowiki>QM/OpenQM</nowiki> DBMS has generated a lot of buzz in the MV world as being the first commercially supported <nowiki>Free/Libre</nowiki> and Open Source (FLOSS) MV DBMS.
OpenQM is the full name of the multivalue database product more commonly known simply as [[QM]] produced by UK based Ladybridge Systems.


The open source is released under version 2 of the General Public Licence (GPL). It was released to allow software developers to contribute new ideas to the multivalue model by submitting changes that might be incorporated into the master source. In return, these developers would gain the contributions of other users.
The "Open" refers to the availability of an open source version released under version 2 of the General Public Licence (GPL). This was released to allow software developers to contribute new ideas to the multivalue model by submitting changes that might be incorporated into the master source. In return, these developers would gain the contributions of other users.


The commercial QM and [[OpenQM]] have traditionally been referred to as the same product. However the commercial QM database is now increasingly branching away from the FLOSS [[OpenQM]] platform and Ladybridge software will probably not support/maintain the FOSS version in the future. The reasons for this are many but in short there were too few contributions to the FLOSS platform, too many requests from the freeware users, and too many disagreements about what contributions would actually make it into the commercial baseline package.
The cooperative development model did not catch on with developers and the open source version was discontinued at release 2.6-6 (November 2007). This version remains available and still fulfills the role for which it was released.


The commercial QM platform continues to sell and is actively maintained and enhanced by Ladybridge Systems (http://www.ladybridge.org).
The commercial QM platform is widely used and under continual development by Ladybridge Systems.
 
In 2009, a group of open source developers created a fork of the open source version under then name ScarletDME. Ladybridge Systems has no involvement with this version.


Links:
Links:
* All software and docs available from links starting here: http://www.openqm.com
* All software and docs available from links starting here: http://www.openqm.com
* Here's a wiki for the GPL offering : http://gpl.openqm.com/wiki/Main_Page (<b>Many</b> resources there)
* Here's the FLOSS project forum: http://groups.google.com/group/openqm-opensource
* Here's the FLOSS project forum: http://groups.google.com/group/openqm-opensource
* The commercial product forum: http://groups.google.com/group/OpenQM
* The commercial product forum: http://groups.google.com/group/OpenQM

Revision as of 10:21, 17 March 2015

OpenQM is the full name of the multivalue database product more commonly known simply as QM produced by UK based Ladybridge Systems.

The "Open" refers to the availability of an open source version released under version 2 of the General Public Licence (GPL). This was released to allow software developers to contribute new ideas to the multivalue model by submitting changes that might be incorporated into the master source. In return, these developers would gain the contributions of other users.

The cooperative development model did not catch on with developers and the open source version was discontinued at release 2.6-6 (November 2007). This version remains available and still fulfills the role for which it was released.

The commercial QM platform is widely used and under continual development by Ladybridge Systems.

In 2009, a group of open source developers created a fork of the open source version under then name ScarletDME. Ladybridge Systems has no involvement with this version.

Links:

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