It is currently located on Webtools: https://webtools.letu.edu/limesurvey/index.php?r=admin/authentication/sa/login.
For complete information and documentation on the product, check out http://www.limesurvey.org/. For access, contact Information Technology.
LimeSurvey Knowledge Base: https://help.limesurvey.org/portal/en/kb
LimeSurvey Manual (very in-depth): https://manual.limesurvey.org/