TkQuery:

The above GUI was generated by the command:

tkquery -e "Host: ::www.foo.com"  "Enter IP address of remote host"

The above GUI was generated by the command:

tkquery -b Quit::QUIT -b "Sleep 60 sec::SLEEP" -b "Reboot::REBOOT"  -no "What should we do next??"

The above GUI was generated by the command:

tkquery -stay -no -b Check::CHECK -bd Quit::QUIT "Click 'Check' whenever I should check it"

TkQuery README
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