other open source licenses. SAP DB 7.3 and 7.4 were licensed as GPL but with LGPL drivers. MaxDB 7.5 was offered under dual licensing, i.e. licensed as GPL with GPL drivers or a commercial license. From version 7.5 through version 7.6 onwards distribution of MaxDB (previously SAP DB) to the open source community was provided by MySQL AB, the same company that develops the open-source software database, MySQL. Development was done by SAP AG, MySQL AB and the open-source software community. In October 2007 SAP assumed full sales and commercial support for MaxDB. MaxDB 7.6 is now closed source, available free-of-charge (without support, and with usage restrictions) for use with non-SAP applications. See also List of relational database management systems Comparison of relational database management systems Comparison of database tools References External links MaxDB Wiki on SAP Community Network SAP MaxDB - The SAP Database System discussions, blogs, documents and videos on the SAP Community Network (SCN) Proprietary database management systems SAP SE