ejabberd related:
    mod_logmnesia - module for ejabberd for logging user messages to mnesia (erlang)
    mod_logdb - module for ejabberd for logging user messages to db (mnesia, mysql, pgsql)(erlang)
    mod_sms - module for ejabberd which emplements SMS (Short Message Service) transport (erlang)
    ejabberd_users - simple console tool for ejabberd for dumping info about users registered on server (with some vcard info) from mnesia to html file (erlang)
    ejabberd_patches - misc patches to ejabberd (erlang)
Jabber related:
    send_msg_j - simple console tool for sending messages through jabber server (python)
Squid related:
    sqtop - console tool that shows active connections for squid (c++)
Rejik related:
    rejik-stat - console tool that get info in human-readable format from rejik log (python)
Active Directory related:
    libadclient - simple C++/COM/Python Active Directory manipulation class through openldap/winldap32 (c++/python) (*nix, windows)