
Environment for DeveLoping KDD-Applications Supported by Index-Structures (ELKI) – Data mining software framework written in Java with a focus on clustering and outlier detection methods.PostgreSQL - A relational database management system emphasizes on extensibility and SQL compliance and available for Windows, Linux, FreeBSD, and OpenBSD.

PostGIS - Adds support for geographic objects to the PostgreSQL as per Open Geospatial Consortium (OGC).MariaDB - A community-developed relational database management system with pluggable storage engines and commercial support.Apache CouchDB - A NoSQL database from Apache Software Foundation with multi-master replication.Apache Cassandra - A NoSQL database from Apache Software Foundation offers support for clusters spanning multiple datacenter.Main category: Free database management systems Virtual Magnifying Glass – A multi-platform screen magnification tool.Text2Speech – Lightweight, easy-to-use Text-To-Speech (TTS) Software.



A small fraction of the software that meets either definition is listed here. However, nearly all software meeting the Free Software Definition also meets the Open Source Definition and vice versa. For more information about the philosophical background for open-source software, see free software movement and Open Source Initiative. 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. This is a list of free and open-source software packages, computer software licensed under free software licenses and open-source licenses. Please help clarify this article according to any suggestions provided on the talk page. This article may contain misleading parts.
