Access SQL data ( MySQL )
MySQL open source software is licensed - under the GPL 2 License. (http://www.gnu.de/documents/gpl-2.0.en.html) - with the Foss exception (http://www.mysql.com/about/legal/licensing/foss-exception/) The Foss exception permits MySQL code to be licensed within projects under other open source licenses such as Apache 2 or GPL3.