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A closed source license is one that limits only the availability of the source code. By contrast a copyleft license claims to protect the "four software freedoms" by explicitly granting them and then explicitly prohibiting anyone to redistribute the package or reuse the code in it to make derivative works without including the same licensing ...
Database name Language implemented in Notes Apache Doris Java & C++ Open source (since 2017), database for high-concurrency point queries and high-throughput analysis. Apache Druid: Java Started in 2011 for low-latency massive ingestion and queries. Support and extensions available from Imply Data. Apache Kudu: C++
Greenplum is a big data technology based on MPP architecture and the Postgres open source database technology. The technology was created by a company of the same name headquartered in San Mateo, California around 2005.
The DMOZ database/editing software is closed source (although Richard Skrenta has said in June 1998 that he was considering licensing it under the GNU General Public License). This has led to criticism from the aforementioned GNU project, many of whom also criticized the DMOZ content license.
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.
This is a list of free and open-source software packages, computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]
Basho was the developer of Riak, an open source distributed database that offers high availability, fault tolerance, operation simplicity and scalability. [2] Riak Enterprise was a commercial version of the database offered by Basho, the project's sponsor, with advanced multi-data center replication and enterprise support.
Firebird is an open-source SQL relational database management system that supports Linux, Microsoft Windows, macOS and other Unix platforms. [2] The database forked from Borland's open source edition of InterBase in 2000 but the code has been largely rewritten since Firebird 1.5. [3]