Here you can find some open source softwares. All these softwares are provided according either to the GNU Lesser General Public License (LGPL) version 3 or to the CeCILL-C license version 2.1.
Important Note: These softwares being available to you for free, I can not give you any guarantee or support for their use. However, I'd be happy to receive your feedback, especially if you have comments or suggestions for improvements. For this, you can contact me as described here.