I tried pidgin but is there any other better alternative?
Peter Johnson wrote:If you use the Ubuntu update mechanisms then you can place your files anywhere. My personal documents I put under my home directory. The JDK I place at /usr/java (a habit from my Fedora days). All other stuff (Ant, Maven, Tomcat, Eclipse, etc.) that I install manually (I never install anything Java-related using the Ubuntu package manager) goes into /opt (after I chown it).