libunique3: libunique3 - is a library for writing single instance applications libunique3: libunique3: LibUnique3 is a library for writing single instance applications, that libunique3: is applications that are run once and every further call to the same libunique3: binary either exits immediately or sends a command to the running libunique3: instance. libunique3: libunique3: libunique3: libunique3: libunique3: