Translations:Quick start guide - LimeSurvey 2.50+/4/en
From LimeSurvey Manual
LimeSurvey is a free and open source online survey application written in PHP, and distributed under the GNU General Public License 2. The software enables users to develop and publish online surveys, collect responses, create statistics, and export the resulting data to other applications. You can either install LimeSurvey on your own server (LimeSurvey CE) or you can directly start utilizing it via one of our hosting services (LimeSurvey Pro).