The purpose of the present assignment is to describe JOSSO which is a Java-Based SSO solution for web applications. The scope of this assignment is to give an overall knowledge of JOSSO. More particularly, there will be described the installation steps for JOSSO C.E. and JOSSO E.E. Also it will be analyzed the entire screen interface that JOSSO has. Finally it will be described, through steps, an example of how JOSSO creates simple Single Sign-On environment. Furthermore it will be described an example of a Single Sign-On solution in combination with Cloud computing and finally it will be given an example with a two factor authentication solution with the use of WiKID Strong Authentication System. It would be gratifying that this paper might be useful to anyone that wants to use JOSSO as Single Sign-On solution.