Your *Kit comment is not entirely accurate. HAL doesn't have 'Kit' in its
(but, of course, DeviceKit, which might replace it unless it doesn't, is
As far as I can tell 'Kit' means 'should have a command-line interface
in /usr/libexec and decent manpages but we couldn't be bothered to define
any such thing or write any documentation at all, even one describing how
to set it up: your distro vendors will know through spending hours
grubbing through the code. Here, use our k00l XML-dependent
communications mechanism of the week, which unlike the kernel's own
mechanisms provides no atomicity or delivery guarantees whatsoever and has
an extra layer of security which had horrible bugs for years because
nobody understands it.'
 this is unfair to Lennart, perhaps. If PA is any guide RealtimeKit
will have excellent docs. Unfortunately most of the others don't.
ConsoleKit is a particularly appalling example, or was last time I looked