LDAP Browser is the premier GUI browser for directory browsing. LDAP Bowser is a lightweight version of LDAP Admin Tool with Limited functionality and it is absolutely Free for all commercial and non commercial use. LDAP Browser provides you with the ability to perform all the necessary read-only LDAP routines such as viewing entries, searching entries and other ldap objects (You cannot modify an entry using this tool other then ldif imports).

Pingg is a free and very simple tool which allow you to ping local computer without typing 192.168 everytime.